Catalog LV 10.1 · 2012 English - IL DIVERSO KFT Sentron/Sentron 12.pdf · 3-phase operation. IEC...
Transcript of Catalog LV 10.1 · 2012 English - IL DIVERSO KFT Sentron/Sentron 12.pdf · 3-phase operation. IEC...
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Siemens LV 10.1 · 2012
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12/2 Introduction
Transfer switches12/5 3KC ATC5300 transfer control device
Monitoring devices for electrical values
12/9 5SV8 residual current monitors12/11 5TT3 voltage relays12/15 5TT3 current relays12/17 5TT6 priority switches12/18 5TT3 fuse monitors12/19 5TT3 phase and phase sequence
monitors12/20 5TT3 insulation monitors for industrial
applications12/21 7LQ3 monitors for medical premises
Monitoring devices for plants and equipment
12/28 5TT3 fault signaling units12/29 5TT5 EMERGENCY STOP modules12/30 5TT3 level relays12/32 5TT3 line circuit relays12/33 7LQ2 dusk switches12/35 7LQ2 temperature controllers12/37 5TT3 p.f. monitors12/38 5TT3 motor protection relays
Charging infrastructure for electric vehicles
12/39 CM-100 charging controller acc. to IEC 61851
12/41 CM-230 charging controller acc. to IEC 61851
Technical informationcan be found at www.siemens.com/lowvoltage/support
under Product List: - Technical specifications
under Entry List: - Updates - Downloads - FAQ - Manuals - Characteristic curves - Certificates
and at www.siemens.com/lowvoltage/configurators
- Configurators
Monitoring Devices
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Monitoring Devices
Introduction
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■ Overview
Devices Page Application Standards Used in
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Transfer switches3KC ATC5300 transfer control devices
12/5 The 3KC ATC5300 transfer control device, equipped with two motor-driven circuit breakers, serves as a transfer system that automatically or manually switches between two power supply systems in low-voltage power distribu-tion applications.
IEC 60947-6-1; DIN VDE 0660-114
✓ ✓ ✓
Monitoring devices for electrical values5SV8 residual current monitors 12/9 To increase system availability and
operating safety through continuous monitoring of residual current in electri-cal systems and signaling if a defined threshold is exceeded.
IEC 62020; EN 62020 ✓ -- ✓
5TT3 voltage relays 12/11 Monitoring the voltage of emergency lighting in public buildings, short-time failures of 20 ms, for ensuring opera-tional parameters for devices or system components or monitoring the neutral conductor for breaks.
IEC 60255; EN 62020 ✓ -- ✓
5TT3 current relays 12/15 Monitoring of emergency and signal lighting and motors.
All current relays can be short-time overloaded and connected either with direct measurement or through trans-formers.
IEC 60255 ✓ -- ✓
5TT6 priority switches 12/17 For a reduction of the connection fee in accordance with German Federal Reg-ulations on Tariffs when used in systems with electric storage heaters where the continuous-flow heaters are switched with priority.
IEC 60669; BTO § 6 Section 4
-- ✓ --
5TT3 fuse monitors 12/18 Monitoring of all types of low-voltage fuses.
Can be used in asymmetric systems afflicted with harmonics and regenera-tive feedback motors.
IEC 60255 ✓ -- ✓
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Introduction
12/3Siemens LV 10.1 · 2012
Devices Page Application Standards Used in
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5TT3 phase and phase sequence monitors
12/19 For the visual signaling of phase failures or phase sequences in three-phase systems.
The phase sequence is arbitrary. The device is also suitable for 1, 2 or 3-phase operation.
IEC 60255 -- -- ✓
5TT3 insulation monitors for industrial applications
12/20 To increase system availability and operating safety through continuous monitoring of the isolation resistance in non-grounded direct voltage or AC voltage systems.
IEC 60255;IEC 61557
-- -- ✓
7LQ3 monitors for medical premises
12/21 For the insulation monitoring of a medical IT system or the load current monitoring of an IT system transformer for a non-permissible temperature rise.
Monitoring of the voltage supply with automatic switchover.
EN 61557-8; IEC 61557-8; DIN VDE 0100-710; IEC 60364-7-710
✓ -- --
Monitoring devices for plants and devices5TT3 fault signaling units 12/28 Evaluation and display of fault alarms
and alarm signals for monitoring indus-trial plants and control systems. With 4 inputs and connections for 39 expansion fault signaling units.
IEC 60255 ✓ -- ✓
5TT5 EMERGENCY STOP modules 12/29 For EMERGENCY-STOP switching in accordance with the Directive 98/37/EC on Safety of Machines. Safe types of circuits for machines, plants or test stations in industrial, commercial and private enterprise applications.
According to the Machines Directive 98/37/EC; EN 954-1
✓ -- ✓
5TT3 level relays 12/30 Control of liquid levels in containers with 3 electrode connections for 1-step and 2-step level control. High immunity to interference of the measuring circuit isolated from the system.
IEC 60255, DIN VDE 0435
✓ -- ✓
5TT3 line circuit relays 12/32 For disconnecting the voltage or field circuit of unused lines when loads are disabled.
IEC 60255, DIN VDE 0435
-- ✓ --
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Devices Page Application Standards Used in
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7LQ2 dusk switches 12/33 For demand-oriented switching of lighting installations for shop windows or paths in order to cut energy costs
EN 60730 ✓ ✓ --
7LQ2 temperature controllers 12/35 For controlling and limiting tempera-tures. Three adjustable ranges from - 30 °C to + 100 °C. For PT 100 measuring element + 2 °C to + 400 °C.
EN 60730 ✓ ✓ ✓
5TT3 p.f. monitors 12/37 For the monitoring of asynchronous motors for underload and no-load oper-ation, e .g. fan monitoring in the case of V-belt breakage, filter blockages, pump monitoring in the event of valve closure or dry runs.
IEC 60255, IEC 61557
-- -- ✓
5TT3 motor protection relays 12/38 For the prevention of thermal motor overloads, e. g. due to high switching frequency, single-phasing, disabled cooling or excessive ambient tempera-tures. With detection of wire breaks in the sensor circuit.
IEC 60255, DIN VDE 0435
-- -- ✓
Charging infrastructure for electric vehiclesCM-100 / 230 charging controller acc. to IEC 61851
12/39 The CM-100 charging controller enables charging in charging mode 3 in accordance with the IEC standard. It communicates with the electric vehicle, controls and monitors the switching devices and identifies the charging cable. The charging controller thus ensures maximum safety for the charg-ing operation. Communication with the electrical vehicle via the charging cable is implemented via a pulse-width modu-lated signal acc. to IEC 61851-1 charg-ing mode 3.
IEC 61851-1 IEC 61851-22
✓ ✓ ✓
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Monitoring DevicesTransfer Switches
3KC ATC5300 transfer control devices
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■ Overview
3KC ATC5300 transfer control devices
Automatic transfer control via the 3KC ATC5300
The 3KC ATC5300 transfer control device, equipped with two motor-driven circuit breakers, serves as a transfer system that automatically or manually switches between two power supply systems in low-voltage power distribution applications.
In particular, the 3KC ATC5300 transfer control device is deployed everywhere where a power failure is especially critical, e. g. in hospitals, in conjunction with UPS systems, and for industrial processes.
Mode of operation
The 3KC ATC5300 transfer control device controls the transfer between the main and standby power supplies fully automati-cally, while incorporating set limit values and delay times. It de-tects fluctuations occurring in the main power supply quickly and switches to the standby power supply. The control device only switches to the standby power supply after it has ensured that the standby supply is delivering the required power supply quality. The device switches back to the main power supply, taking into consideration the set parameters, once the required power supply quality is available again. If the standby power supply and/or the main power supply is fed by a generator, the control device also offers a wide range of settings, such as a generator lead time, generator delay time, and generator start test at specified times.
The 3KC ATC5300 transfer control device can control air circuit breakers, compact molded case circuit breakers, switch discon-nectors and contactors. The circuit breakers are controlled via the related motorized operating mechanisms.
Setting parameters and monitoring using SENTRON ATC software
In addition to operation and parameterization on-site, you can also monitor and set the parameters of the controller using the SENTRON ATC software. The software offers a high level of con-venience and quick access to all device settings, e.g. complex settings which occur when connecting generators.
Measurement quantity
The 3KC ATC5300 records and monitors the following measured quantities:
1) Hysteresis value for enabling back-transfer2) Warning only, no switching
✓ yes
-- no
Measured quantity Basic setting Limit value setting Delay time Can be deactivated
Rated system voltage Un V AC 100 ... 690 70 % ... 98 % (75 % ... 100 %) 1) 0.1 s ... 900 s --
102 % ... 120 % (100 % ... 115 %) 1) 0.1 s ... 900 s ✓
Voltage asymmetry % 1 % ... 20 % 0.1 s ... 900 s ✓
Phase failure % 60 % ... 85 % 0.1 s ... 30 s ✓
Phase sequence Left, right -- -- ✓
Frequency Hz 50/60 80 % ... 100 % 0.1 s ... 900 s ✓
101 % ... 120 % 0.1 s ... 900 s ✓
Battery voltage Ub V DC 12/24/48 70 % ... 100 %2) 0 ... 60 s ✓
110 % ... 140 %2) ✓
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■ Benefits
The advantages of the 3KC ATC5300 transfer control device at a glance:• Controls compact molded case circuit breakers MCCB, air cir-
cuit breakers ACB, switch disconnectors LBS, or contactors• Two measuring inputs for single-phase and multi-phase power
supply systems• Option for switching between system to system, generator to
system, system to generator, and generator to generator con-figurations
• Direct measurement of three-phase industrial systems rang-ing up to 400 V ACL-N or 690 V ACL-L (converter costs, no as-sembly and installation costs for transformers)
• Has two voltage supply units to cover all standard AC/DC volt-age supplies, alternative supply via main and standby system possible
• Low space requirements due to door installation and compact design
• Two displays for monitoring the normal/standby system and displaying the phase and interlinked cable voltages
• Setting control parameters for generator activation require-ments
• Calendar clock
• 8 digital inputs, 6 of which are programmable and 7 relay out-puts, 5 of which are programmable
• 4 selectable operating modes: off, manual, automatic, test• Data, parameter and logged events (e. g. power failure, faults)
remain accessible and unaltered even after a power failure or restarting a device
• Status display of the connected switches or contactors• Logging and statistical processing of occurring events possi-
ble • Easy system integration through integrated MODBUS inter-
face (RTU and ASCII) for integrating e. g. into a power man-agement system
• The illuminated LED display makes reading measured values and parameters easy, even under unfavorable lighting condi-tions
• The SENTRON ATC programming software saves consider-able time when setting parameters and setting up the 3KC ATC5300 transfer control device
• Generator test run function for mandatory testing intervals• Command option for switching to the second set of protection
parameters in the ETU76B (air circuit breaker 3WL).
■ Integration
Implementation of an automatic transfer system
The 3KC ATC5300 transfer control device is used to automati-cally and manually switch from a main power supply to a standby power supply and vice versa. In case system faults occur, the 3KC ATC5300 controls the switching operations fully automatically. This ensures a very high level of operational con-tinuity.
The 3KC ATC5300 transfer control device allows the implemen-tation of an automatic transfer control unit in conjunction with compact molded case circuit breakers MCCB, air circuit breakers ACB, switch disconnectors LBS, or contactors.
The following devices are ideally matched to the 3KC ATC5300 transfer control device:• 3VL molded case circuit breakers• 3WL air circuit breakers
Component interaction• Feed-in system line 1 (main system) and line 2 (standby sys-
tem) are connected to the 3KC ATC5300 transfer control device.
• In case of system anomalies, the 3KC ATC5300 activates components Q1 and Q2 accordingly.
• Q1 and Q2 can be implemented with compact molded case circuit breakers MCCB, air circuit breakers ACB, switch dis-connectors LBS, or contactors.
Q1 and Q2, configured with circuit breakers
All SENTRON circuit breakers connected to the 3KC ATC5300 transfer control device must be equipped with the following accessories:• 3VL circuit breakers MCCB
The following is also required for each MCCB:- One motor drive- One alarm switch- Two auxiliary switches 1 NO/1 NC
• 3WL air circuit breakers ACB The following is also required for each 3WL ACB:- One motor drive- One closing solenoid- One auxiliary release (shunt release)- Tripped signal switch- One auxiliary switch block 2 NO/2 NC (standard fittings)
LV10-1_12_EN.book Seite 6 Mittwoch, 18. Januar 2012 4:43 16
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3KC ATC5300 transfer control devices
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Implementation of an automatic transfer system
■ Technical specifications
1) For more information see device manual at: www.siemens.com/lowvoltage/manuals.
x x x x x x x x
1 Electrical interlock
LOAD
LINE 2LINE 1L1 L2 L3 NL1 L2 L3 N
L1 L2 L3 N
Q1 Q2
QF1
QF2
I202_01380
1
ATC5300
Auxiliary supply
Rated voltage Un• AC V AC 220 ... 240• DC V DC 12 / 24 / 48
Operating range• AC V AC 187 ... 264• DC V DC 9 ... 70
Frequency Hz 45 ... 65
Max. power consumption at Un = 240 V AC
VA 9
Max. power loss• At 240 V AC W 6.3• At 48 V DC W 4.1
Max. power consumption• At 12 V DC mA 300• At 24 V DC mA 180• At 48 V DC mA 90
Safety in the event of short interruptions
ms 50
Measuring inputs
Max. rated voltage Un• Phase-phase V AC 690• Phase-neutral V AC 400
Phase-phase measuring range V AC 80 ... 800
Frequency ranges Hz 45 ... 65
Measuring method RMS value (true RMS)
Measuring input impedance• Phase-phase MΩ >1.1• Phase-neutral MΩ >0.5
Connection method Single-phase, two-phase, or three-phase system
Measuring errors ±0.25 %, Value range ±1 digit
Digital inputs
Number of inputs 8, 6 of which are programmable
Type of input Negative
Input current mA ≤10
Input signal• Logic state "0" V ≤1.5 (typical 2.9)• Logic state "1" V ≥ 5.3 (typical 4.3)
Input signal delay ms ≥ 50
Relay outputs
Number of outputs 7, 5 of which are programmable
Contact configuration• 2 relays with 1 NO contact 12 A, at 250 V AC (AC1)• 3 relays with 1 NO contact 8 A, at 250 V AC (AC1)• 2 relays with 1 CO contact 8 A, at 250 V AC (AC1)
ATC5300
Reversing time of control device s 1
Communication cables
RS 232 serial interface • With programmable baud rate• Connection through RJ6/6 connec-
tor
bit/s 1200 ... 38400
RS485 serial interface • Optically insulated• With programmable baud rate• Connection through plug-in termi-
nals
bit/s 1200 … 38400
Real-time clock
Energy storage Stored-energy capacitors
Operating time without feeding voltage
Days Approx. 12 ... 15
Insulation voltage
Rated insulation voltage Ui V 690
Ambient conditions
Operating temperature °C -20 … +60
Storage temperature °C -30 … +80
Relative humidity % <90
Max. pollution degree 3
Overvoltage category 3
Measuring category CAT III
Connections
Terminal type Removable/pluggable
Cable cross-section mm2 0.2 ... 2.5 (24 ... 12 AWG)
Max. tightening torque Nm 0.5 (4.5 lbf·in)
Enclosures
Enclosure material Thermoplastic LEXAN 3412R
Version Door installation
Degree of protection IP41 front, IP20 rear
Weight g 950
Certificates and conformity
ATS/ATSE standard Complies with the ATS/ATSE standard IEC 60947-6-1, in combination with 3VL or 3WL1)
Environment classification 3K6 acc. to IEC 60721-3-33B2 acc. to IEC 60721-3-33C3 acc. to IEC 60721-3-33S2 acc. to IEC 60721-3-33M6 acc. to IEC 60721-3-3
EMC Acc. to IEC 60947-6-1
LV10-1_12_EN.book Seite 7 Mittwoch, 18. Januar 2012 4:43 16
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Monitoring DevicesTransfer Switches
3KC ATC5300 transfer control devices
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* You can order this quantity or a multiple thereof.
■ Selection and ordering data
Version DT Order No. Priceper PU
PU(UNIT,
SET, M)
PS* PG Weightper PU
approx. kg
Screw connection
3KC9 000-8TL30
3KC ATC5300 transfer control devices Control panel instrument 144 x 144 x 94 mm with the following features:
• Screw terminal connection
• AC/DC power supply unit
• 220 … 240 V AC, 45 ... 60 Hz
• 9 ... 70 V DC
• Rated setting range: 100 …690 V AC
A 3KC9 000-8TL30 1 1 unit 143 0.950
3KC9 000-8TL70
SENTRON ATC software
Software for setting parameters and remote control operations, incl. connection cable from control device to PC, cable length 1.8 m
• CD incl. software and manuals
• Minimum hard- and software requirements:- Pentium, 64 MB RAM- COM interface (serial RS 232)- CD drive- Windows 95/98/2000/XP/Vista/Windows 7
A 3KC9 000-8TL70 1 1 unit 143 0.300
LV10-1_12_EN.book Seite 8 Mittwoch, 18. Januar 2012 4:43 16
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Monitoring DevicesMonitoring Devices for Electrical Values
5SV8 residual current monitors
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■ Overview
Plant safety and operating safety are becoming increasingly im-portant alongside the protection of personnel. Shutdowns due to the unexpected tripping of protective devices cause high costs. It is possible to detect residual currents in the electrical installa-tion before the protective device responds.
Residual current monitors (RCM) monitor residual current in electrical installations and issue a signal when the residual cur-rent exceeds a set value.
RCMs are used primarily in plants where a fault should result in a signal but not in disconnection. This enables plant operators to detect faults and eliminate their causes before the protective de-vices disconnect the installation, which increases plant and op-erating safety and cuts costs.
The summation current transformer detects all conductors re-quired to conduct the current, i. e. including the neutral conduc-tor where applicable. In a fault-free system, the magnetizing ef-fects of the conductors through which current is flowing cancel each other out for the summation current transformer, i. e. the sum of all currents is zero. If a residual current is flowing due to an insulation fault, a residual magnetic field is left in the core of the transformer and produces a voltage. This voltage is evalu-ated using the electronics of the RCM. The switched contact can be used e. g. to operate an acoustic/optical signaling device, a higher-level control system or a circuit breaker.
Time characteristic of the rated residual current ΙDn
■ Benefits
• Higher plant availability and operating safety through perma-nent monitoring of residual currents
• Adjustable limit values for residual current and response time enable timely detection and signaling – plant shutdowns are often avoidable
• Devices for every application: The summation current transformers are available in various sizes, the RCMs can be used optionally for signaling and/or switching
• Additional fire protection can be implemented using the monitoring system.
■ Technical specifications
1) INS: instantaneous, SEL: selective.
100 % n
50 %
t
n
nR
esid
ual c
urre
nt
Time
Alarm
Disconnection
I202
_160
44
RCM analog RCM digital RCM digital, 4 channels
Standards EN 62020, IEC 62020
Rated operational voltage Ue V AC 230• Frequency Hz 50/60
Rated residual current ΙDn• Type A A 0.03 ... 3 0.03 ... 3 0.03 ... 3• Type AC A 3 ... 5 3 ... 30 3 ... 30
Response time tv s 0.02 ... 5 0.02 ... 10, INS, SEL1) 0.02 ... 10, INS, SEL1)
Relay contacts 1 × alarm 1 × alarm, 1 × tripping operation
1 × alarm, 4 × tripping operation
• Rated voltage V AC 230 230 230• Rated current A 6 6 6
Summation current transformer mm ∅ 20 ... 210
Test/Reset Yes/Yes
External tripping operation/external reset --/Yes Yes/Yes Yes/Yes
Mounting width MW 2 3 3
Degree of protection• Contacts IP20• Front IP41
Operating temperature °C -10 ... +50
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Monitoring DevicesMonitoring Devices for Electrical Values
5SV8 residual current monitors
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* You can order this quantity or a multiple thereof.
■ Selection and ordering data
1) INS: instantaneous, SEL: selective.
1) Mounting on standard mounting rail with optional holder for standard mounting rail also possible.
Rated operational voltage
Rated residual current
Response time
Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
Ue IΔn tv V AC A s MW kg
RCM analog
230, 50/60 Hz 0.03 ... 3 (Type A) 3 ... 5 (Type AC)
0.02 ... 5 2 B 5SV8 000-6KK 1 1 unit 027 0.163
RCM digital
230, 50/60 Hz 0.03 ... 3 (Type A) 3 ... 30 (Type AC)
0.02 ... 10, INS, SEL1)
3 B 5SV8 001-6KK 1 1 unit 027 0.236
RCM digital, 4 channels
230, 50/60 Hz 0.03 ... 3 (Type A) 3 ... 30 (Type AC)
0.02 ... 10, INS, SEL1)
3 B 5SV8 200-6KK 1 1 unit 027 0.236
Internal diameter DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
mm kg
Summation current transformer
Including holder for standard mounting rail
20 B 5SV8 700-0KK 1 1 unit 027 0.07630 B 5SV8 701-0KK 1 1 unit 027 0.095
Including holder for wall mounting1) 35 B 5SV8 702-0KK 1 1 unit 027 0.16170 B 5SV8 703-0KK 1 1 unit 027 0.274
105 B 5SV8 704-0KK 1 1 unit 027 0.545
Including holder for wall mounting 140 B 5SV8 705-0KK 1 1 unit 027 1.222210 B 5SV8 706-0KK 1 1 unit 027 2.040
Holders for standard mounting rails B 5SV8 900-1KK 1 2 units 027 0.004
Suitable for summation current transformer with internal diameter of 20 mm, 30 mm, 35 mm, 70 mm and 105 mm
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Monitoring DevicesMonitoring Devices for Electrical Values
5TT3 voltage relays
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■ Overview
Voltage relays are used for device and plant protection, supply-ing safety light devices and the detection of N-conductor breaks and short-time voltage interruptions.
They are available as undervoltage, overvoltage and un-der/overvoltage relays. The devices are equipped with different functions, depending on their intended use, and comply with the pertinent regulations.
■ Benefits
• Complete voltage protection in a compact design for overvolt-age and undervoltage monitoring in a single device
• Plants and devices are reliably and easily protected by phase-failure relays
• Overvoltages and consequential damage due to high volt-ages are prevented through N-conductor monitoring
• Asymmetry monitoring in the voltage relay also protects three-phase AC motors against operation with voltage skew.
■ Technical specifications
1) For rated operational current.
5TT3 400 5TT3 404 5TT3 406 5TT3 194 5TT3 1955TT3 401 5TT3 4055TT3 4025TT3 403
Standards IEC 60255; IEC 61810
Rated control voltage Uc V AC 230/400 400
Operating range (overload capability) × Uc 1.1 1.35
Rated frequency Hz 50/60
Response values ON-switching ×Uc 0.9/0.95 4 % hysteresisOFF-switching 0.7/0.85 0.7 ... 0.95 0.9 ... 1.3
Minimum contact load V; mA 10; 100
Phase asymmetry Setting accuracy % -- Approx. 5 ... 10 -- Approx. 5 ... 10Repeat accuracy % -- 1 -- 1
Phase failure detection At L1 or L2 or L3 ms 100 --
N-conductor monitoring -- Yes --
Rated insulation voltage Ui Between coil/contact kV 4
Contacts μ contact (AC-11) A 4
Electrical isolation Creepage distances and clearancesActuator/contact mm 3 5.5
Rated impulse withstand voltage Uimp Actuator/contact kV > 2.5 > 4
Terminals ±screw (Pozidriv) 1
Conductor cross-sections• Rigid, max. mm2 2 × 2.5• Flexible, with end sleeve, min. mm2 0.5
Permissible ambient temperature °C -20 ... +60
Resistance to climate According to EN 60068-1 20/60/4
5TT3 196
Standards IEC 60255
Rated control voltage Uc V DC 24
Rated power dissipation Pv• Coil/drive VA 0.6• Contact1) per pole VA 0.8
Hysteresis % 4
Response values × Uc • Undervoltage Undervoltage 0.82• Overvoltage Overvoltage 1.18
Residual ripple tripping ΔUc Infinitely variable % 0 ... 15
Overload capability 33 V DC Continuous35 V DC ms 50045 V DC ms 10
Creepage distances and clearances mm 4
Rated impulse withstand voltage Uimp Input/output kV > 2.5
Minimum contact load V/mA 24/300
Rated operational current Ie AC-11 A 1AC-1 A 4
Contacts μ contact
Electrical service life In switching cycles at Ie 5 × 105
Terminals +/-screw (Pozidriv) 1
Conductor cross-sections• Rigid, max. mm2 2 × 2.5• Flexible, with end sleeve, min. mm2 1 × 0.5
Permissible ambient temperature °C -20 ... +60
Resistance to climate According to EN 60068-1 20/60/4
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Monitoring DevicesMonitoring Devices for Electrical Values
5TT3 voltage relays
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5TT3 407 5TT3 408 5TT3 410
Standards IEC 60255; IEC 61810
Rated control voltage Uc V AC 230/400
Operating range (overload capability) × Uc 1.1 1.35 1.2
Rated frequency Hz 50/60
Back-up fuse Terminals L1/L2/L3 A 2
Response values Overvoltage:OFF-switching × Uc -- 0.9 ... 1.3 --ON-switching -- 4 % hysteresis --
Undervoltage:OFF-switching × Uc 0.8 0.7 ... 1.1 --ON-switching 0.85 4 % hysteresis --
Minimum contact load V; mA 10; 100
Phase asymmetry Setting accuracy % Approx. 5 ... 10
Repeat accuracy % 1
Phase failure detection At L1, L2 or L3 ms ≥ 20 100 --
OFF delay s -- 0.1 ... 20 --
Automatic reclosing delay s 0.2 ... 20 -- --
Rated insulation voltage Ui Between coil/contact kV 4
Contacts μ contact (AC-11) A 3 1 4
Electrical isolation Creepage distances and clearances Contact/contact mm -- 4 --Actuator/contact mm 4 5.5
Rated impulse withstand voltage Uimp Actuator/contact kV > 4
Rated operational power Ps AC operation:230 V and p.f. = 1 VA 2000 -- --230 V and p.f. = 0.4 VA 1250 -- --
DC operation:Ue = 24 V and Ie = 6 A W max. 100 -- --Ue = 60 V and Ie = 1 A W max. 100 -- --Ue = 110 V and Ie = 0.6 A W max. 100 -- --Ue = 220 V and Ie = 0.5 A W max. 100 -- --
Terminals ±screw (Pozidriv) 1
Conductor cross-sections• Rigid, max. mm2 2 × 2.5• Flexible, with end sleeve, min. mm2 0.5
Permissible ambient temperature °C -20 ... +60
Humidity class Acc. to IEC 60068-2-30 F
5TT3 411 5TT3 412 5TT3 414 5TT3 415
Rated control voltage Uc V AC 230 230/400
Overload capability × Uc 1.15 1.1 1.15
Rated frequency Hz 50/60
Response values ON-switching 2 % hysteresis 4 % hysteresis 5 %
OFF-switching × Uc 0.9 0.9 0.85
Minimum contact load V/mA 10/100
Phase failure detection At L1, L2 or L3 ms -- 100 500
N-conductor monitoring -- Yes --
Rated insulation voltage Ui Between coil/contact kV 4 --
Contacts AC-15 NO contacts 3 2 --
AC-15 NC contacts 2 1 --
AC-15 CO contacts -- 1 1 2
Electrical service life in switching cycles AC-15 , 1 A, 230 V AC 5 × 105 1 × 105
Rated impulse withstand voltage Acc. to IEC 60664-1 kV 4 6
Pollution degree 2 2
Terminals ±screw (Pozidriv) 2 --– screw (slot) -- 3.5
Conductor cross-sections
• Rigid mm2 2 × 2.5 1 x 4• Flexible, with end sleeve mm2 2 × 1.5 1 x 2.5
Permissible ambient temperature °C -20 … +60 -25 … +60
Resistance to climate Acc. to EN 60068-1 20/060/04
LV10-1_12_EN.book Seite 12 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
12
Monitoring DevicesMonitoring Devices for Electrical Values
5TT3 voltage relays
12/13Siemens LV 10.1 · 2012* You can order this quantity or a multiple thereof.
■ Selection and ordering data
Contacts Ue Ie Uc Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A V MW kg
Overvoltage relays
5TT3 194
For the monitoring of 1, 2 or 3 phases against N, switching thresholds: 0.9 ... 1.3 × Uc, 4 % hysteresis, adjustable
2 CO 230 4 230/400 AC 2 B 5TT3 194 1 1 unit 027 0.132
For the monitoring of 3 phases against N, with N-conductor monitoring, switching thresholds: 0.9 ... 1.3 × Uc, 4 % hysteresis, adjustable
2 CO 230 4 230/400 AC 2 B 5TT3 195 1 1 unit 027 0.132
Direct voltage monitors
5TT3 196
For monitoring a 24-V direct voltage system;undervoltage Ufrom = 0.82overvoltage Ufrom = 1.18residual ripple 0 % ... 15 %, adjustable
1 NO and 1 NC, 230 5 24 DC 1 B 5TT3 196 1 1 unit 027 0.074
Undervoltage relays
5TT3 400
5TT3 402
5TT4 404
5TT3 414
For the monitoring of 1, 2 or 3 phases against N, with phase failure detection,
• Switching thresholds: 0.7 and 0.9 x Uc, not adjustable
1 CO 230 4 230/400 AC 1 } 5TT3 400 1 1 unit 027 0.081
2 CO 230 4 230/400 AC 2 } 5TT3 402 1 1 unit 027 0.126
• Switching thresholds: 0.9 ... 0.95 × Uc, 5 % hysteresis, adjustable
2 CO 230 4 230/400 AC 2 A 5TT3 403 1 1 unit 027 0.126
For the monitoring of safety light devices of 1, 2 or 3 phases against N, with phase failure detection, switching thresholds: 0.85 and 0.95 x Uc, not adjustable
1 CO 230 4 230/400 AC 1 } 5TT3 401 1 1 unit 027 0.079
For the monitoring of 3 phases against N, with asymmetry, reverse voltage and phase failure detection, with N-conductor monitoring
• Switching thresholds: 0.7 and 0.9 x Uc, not adjustable
2 CO 230 4 230/400 AC 2 B 5TT3 404 1 1 unit 027 0.130
• Switching thresholds: 0.7 ... 0.95 × Uc, 5 % hysteresis, adjustable
2 CO 230 4 230/400 AC 2 B 5TT3 406 1 1 unit 027 0.131
For monitoring of safety light devices of 3-phases against N, with asymmetry, reverse voltage and phase failure detection, with N-conductor monitoring,switching thresholds: 0.85 and 0.95 x Uc, not adjustable
2 CO 230 4 230/400 AC 2 B 5TT3 405 1 1 unit 027 0.128
For the monitoring of 1, 2 or 3 phases against N, switching thresholds: 0.85 x Uc, not adjustableresponse delay 0.5 soff-delay 60 s
1 CO N 230 4 230/400 AC 1 C 5TT3 414 1 1 unit 027 0.070
• With TEST pushbutton
2 CO N 230 4 230/400 AC 1 C 5TT3 415 1 1 unit 027 0.080
LV10-1_12_EN.book Seite 13 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Electrical Values
5TT3 voltage relays
12/14 Siemens LV 10.1 · 2012
12
* You can order this quantity or a multiple thereof.
Contacts Ue Ie Uc Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A V AC MW kg
5TT3 407
Short-time relays
For the monitoring of short-time failure detection ≥ 20 ms of 1, 2 or 3 phases against N, with phase failure detection and N-conductor monitoring,switching thresholds: 0.8 ... 0.85 × Uc, not adjustable
2 CO 230 4 230/400 2 B 5TT3 407 1 1 unit 027 0.133
5TT3 408
Under and overvoltage relays
For the monitoring of 3 phases against N, with asymmetry, reverse voltage and phase failure detection, with N-conductor monitoring and adjustable time delay of 0.1 ... 20 s, switching thresholds: Undervoltage: 0.7 ... 1.1 × Uc, 4 % hysteresis, adjustable Overvoltage: 0.9 ... 1.3 × Uc, 4 % hysteresis, adjustable
2 CO 230 4 230/400 2 B 5TT3 408 1 1 unit 027 0.136
5TT3 410
N-conductor monitors
With asymmetry detection and N-conductor monitoring
2 CO 230 4 230/400 2 B 5TT3 410 1 1 unit 027 0.129
Voltage relays for undervoltage monitoring of medical premises
5TT3 411
Single-phase against N with test button, switching thresholds: 0.9 × Un, 2 % hysteresis
2 NO + 2 NC 230 4 230 4 C 5TT3 411 1 1 unit 027 0.220
Single, two or three-phase against N, with asymmetry, reverse voltage and phase failure detection, with N-conductor monitoring, and one test button each for the phases, switching thresholds: 0.9 × Un, 4 % hysteresis
1 CO, 1 NO, 1 NC 230 4 230/400 4 C 5TT3 412 1 1 unit 027 0.230
LV10-1_12_EN.book Seite 14 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Electrical Values
5TT3 current relays
12/15Siemens LV 10.1 · 2012
12
■ Overview
Current relays monitor single and three-phase systems for the flow of current, e.g. in emergency lighting installations, and the loading of motors. They are available as undercurrent, overcur-rent and under/overcurrent relays.
■ Benefits
• Devices with an extremely broad range of applications of minimum 0.1 A to maximum 15 A without transformer
• Permanent overload capability up to 20 A or 30 A max. for up to 3 seconds, protect the function against uncontrolled plant states and increase plant availability
• Range changing enables the precise setting of current values through a high resolution
• Ultra compact current relays require only the smallest of spaces and save costs
■ Technical specifications
5TT6 111 5TT6 112Standards IEC 60255Rated control current Ic A 1 ... 10Rated control voltage Uc V AC 230Primary operating range × Uc 0.9 ... 1.1Overload capability, continuous A 15Overload capability, short-time At 50 °C ambient
temperature max. 3 sA 20
Rated frequency Hz 50/60Response values ON-switching Infinitely variable
OFF-switching permanent, 4 % hysteresis
Switching delay tv Infinitely adjustable s 0.1 ... 20Response time Non-adjustable ms Current corresponds to the rated operational power of the
continuous-flow heater
Minimum contact load V; mA 10; 100Rated insulation voltage Ui Between coil/contact kV 2.5Contactsμ contact (AC-15) NO contacts A 3
NC contacts A 1
Electrical isolation Creepage distances and mm 3Actuator/contact
Rated impulse withstand voltage Uimp Actuator/contact kV > 4Terminals ±screw (Pozidriv) 1Conductor cross-sections Rigid max. mm2 2 × 2.5
Flexible, with end sleeve min. mm2 1 × 0.5
Permissible ambient temperature °C -20 ... +60Resistance to climate According to EN 60068-1 20/60/4
5TT6 113 5TT6 114 5TT6 115 5TT6 120
Standards IEC 60255
Rated control current Ic 4 ranges 1 rangeA 0.1 ... 1 0.5 ... 5A 0.5 ... 5A 1 ... 10A 1.5 ... 15
Rated control voltage Uc V AC 230
Primary operating range × Uc 0.9 ... 1.1Overload capability, continuous A 20 15Overload capability independent of measuring range
A 30max. 3 s
Rated frequency Hz 50/60
Response values ON-switching Infinitely variableOFF-switching permanent, 4 % hysteresis
Switching delay tv Infinitely adjustable s 0.1 ... 20
Response time Non-adjustable ms see: www.siemens.com/lowvoltage/manuals
Minimum contact load V; mA 10; 100
Rated insulation voltage Ui Between coil/contact kV 2.5
Contactsμ contact (AC-15) NO contacts A 5
NC contacts A 1
Electrical isolation Creepage distances and mm 3actuator/contact
Rated impulse withstand voltage Uimp Actuator/contact kV > 4
Terminals ±screw (Pozidriv) 1
Conductor cross-sections Rigid max. mm2 2 × 2.5Flexible, with end sleeve min. mm2 1 × 0.5
Permissible ambient temperature °C -20 ... +60
Resistance to climate According to EN 60068-1 20/60/4
LV10-1_12_EN.book Seite 15 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Electrical Values
5TT3 current relays
12/16 Siemens LV 10.1 · 2012
12
* You can order this quantity or a multiple thereof.
■ Selection and ordering data
Contacts Ue Ie Measuring range
Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A A AC MW kg
Current relays for single-phase loads up to 230 V AC, auxiliary voltage and measuring circuit not isolated
Undervoltage monitoring, single-phase
1 CO 230 5 1 ... 10 1 B 5TT6 111 1 1 unit 027 0.084
Overcurrent monitoring, single-phase
1 CO 230 5 1 ... 10 1 B 5TT6 112 1 1 unit 027 0.080
Current relays for single-phase loads up to 230 V AC, auxiliary voltage and measuring circuit, galvanically isolated
Undervoltage monitoring, single-phase
2 CO 230 5 4 ranges 2 B 5TT6 113 1 1 unit 027 0.1520.1 ... 10.5 ... 51 ... 101.5 ... 15
Overcurrent monitoring, single-phase
2 CO 230 5 4 ranges 2 B 5TT6 114 1 1 unit 027 0.1480.1 ... 10.5 ... 51 ... 101.5 ... 15
Over/undervoltage monitoring, single-phase
2 CO 230 5 4 ranges 2 B 5TT6 115 1 1 unit 027 0.1540.1 ... 10.5 ... 51 ... 101.5 ... 15
Current relays for three-phase loads for 3 × 400 V AC, separate signal with N-wire connection
Over/undervoltage monitoring, three-phase
2 CO contacts each for overcur-rent/undercur-rent respectively
230 5 0.5 ... 5 4 B 5TT6 120 1 1 unit 027 0.245
LV10-1_12_EN.book Seite 16 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
12
Monitoring DevicesMonitoring Devices for Electrical Values
5TT6 priority switches
12/17Siemens LV 10.1 · 2012* You can order this quantity or a multiple thereof.
■ Overview
In the mixed operation of electric hot water and electric storage heaters, the priority switch interrupts the charging procedure of the storage heater if hot water is required during the low-tariff time, thus limiting the connected load in compliance with BTO § 6. The control circuit terminals must be sealable.
■ Benefits
Reduction of the connection fee, which depends on the maxi-mum load to be supplied (BTO, German Federal Regulation on Tariffs § 6 Section 4), when used in systems with continuous-flow heaters and electric storage heaters where the continuous-flow heaters are switched with priority.
■ Technical specifications
■ Selection and ordering data
5TT6 101 5TT6 102 5TT6 103
Standards EN 60669, BTO § 6 Section 4
Rated control current Ic A 40 54 6 ... 40 (Current corresponds to the rated operational power of the continuous-flow heater).
Rated frequency Hz 50
Response currents A 13 23 6(Continuous rise not permissible)
Rated operational powerFor continuous-flow heaters Up to 230 V AC kW 9 12 1.5 ... 9
Up to 3 × 230 V AC kW 27 36 4.5 ... 27
Rated impulse withstand voltage Uimp kV > 2.5
Rated operational voltage Ue V AC 250
Rated operational current Ie At Ue = 230 V AC A 1
Terminals ±screw (Pozidriv) 1
Conductor cross-sections• Coil For conductor cross-
sections up tomm2 10
• Contacts For conductor cross-sections up to
mm2 2 × 2.5
Permissible ambient temperature °C -20 ... +40
Resistance to climate Acc. to DIN 50016 FW 24
Ue Ie Response currents
Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A A MW kg
5TT6 101
Priority switches
For continuous-flow heaters up to 27 kW
230 40 13 1 } 5TT6 101 1 1 unit 027 0.113
For continuous-flow heaters up to 33 kW
230 54 23 1 B 5TT6 102 1 1 unit 027 0.092
For electronically controlled continuous-flow heaters up to 27 kW
230 40 6 ... 40 1 } 5TT6 103 1 1 unit 027 0.113
LV10-1_12_EN.book Seite 17 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Electrical Values
5TT3 fuse monitors
12/18 Siemens LV 10.1 · 2012* You can order this quantity or a multiple thereof.
12
■ Overview
Fuse monitors serve to monitor all types and versions of melting fuses that cannot be equipped with a fault signal contact. This enables integration in fault signaling circuits or a central alarm in order to improve plant availability.
■ Benefits
• Increase in plant availability, because fuse failures – which could cause considerable damage to the plant – are detected in plenty of time.
• A fuse failure is detected even if the load is switched off. This ensures the highest level of plant availability.
■ Technical specifications
■ Selection and ordering data
5TT3 170
Standards IEC 60255; IEC 61810
Rated control voltage Uc V 3 AC 380 ... 415
Primary operating range × Uc 0.8 ... 1.1
Rated frequency Hz 50 ... 400
Internal resistance of measuring paths Ω/V > 1000
Max. permissible rear feed % 90
Response/release time ms < 50
Rated impulse withstand voltage UimpInput/output
kV > 4
Rated operational voltage Ue V AC 250
Rated operational current Ie AC-1 A 4
Electrical service life AC-11 in switching cycles at 1 A 1.5 × 105
Terminals ±screw (Pozidriv) 1
Conductor cross-sections Rigid, max. mm2 2 × 2.5Flexible, with end sleeve, min. mm2 1 × 0.5
Permissible ambient temperature °C -20 ... +45
Resistance to climate According to EN 60068-1 20/45/4
Ue Ie Uc Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A 3 V AC MW kg
Fuse monitors
For all low-voltage fuse systems. Can be used in asymmetric systems afflicted with harmonics and regenerative feedback motors. Signal also for dis-connected loads.
230 4 380 ... 415 2 } 5TT3 170 1 1 unit 027 0.153
LV10-1_12_EN.book Seite 18 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
12
Monitoring DevicesMonitoring Devices for Electrical Values
5TT3 phase and phase sequence monitors
12/19Siemens LV 10.1 · 2012* You can order this quantity or a multiple thereof.
■ Overview
Phase monitors monitor the voltages in three-phase system and signal the power failure of one or more phases over a floating contact. Phase sequence monitors monitor the phase sequence in three-phase systems and signal any changes in the phase se-quence – change of rotating field – over a floating changeover contact.
■ Benefits
• The three-phase LED display in the phase monitor and the LED display in the phase sequence monitors provide constant information on the switching state of the plant
• The compact design in 1 MW saves space.
■ Technical specifications
■ Selection and ordering data
5TT3 421 5TT3 423
Standards IEC 60255
Rated control voltage Uc V AC 230/400 400
Primary operating range × Uc 0.8 ... 1.1
Rated frequency Hz 50/60
Rated power dissipation Pv Electronics VA 9Contacts VA 0.2
Rated operational voltage Ue V AC 250
Rated operational current Ie A 4
Minimum contact load V; mA 10; 100
Rated insulation voltage Ui Between coil/contact kV 4
Contacts μ contact (AC-11) A 3
Electrical isolation Creepage distances and clearancesActuator/contact mm 4
Rated impulse withstand voltage Uimp Actuator/contact kV > 2.5
Terminals ±screw (Pozidriv) 1
Conductor cross-sections Rigid, max. mm2 2 × 2.5Flexible, with end sleeve, min. mm2 –
Degree of protection Acc. to EN 60529 IP20, with connected conductors
Safety class Acc. to EN 61140/VDE 0140-1 II
Permissible ambient temperature °C -20 ... +60
Resistance to climate Acc. to EN 60068-1 20/60/4
Contacts Ue Ie Uc Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A V AC MW kg
Phase monitors
With 3 green LEDs for 3 phases
1 CO 250 4 230/400 1 } 5TT3 421 1 1 unit 027 0.080
Phase sequence monitors
With one green LED, which lights up for right-rotating field
1 CO 250 4 400 1 } 5TT3 423 1 1 unit 027 0.080
LV10-1_12_EN.book Seite 19 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Electrical Values5TT3 insulation monitors for industrial applications
12/20 Siemens LV 10.1 · 2012* You can order this quantity or a multiple thereof.
12
■ Overview
Insulation monitors are used for protection of persons and against fire in non-grounded systems (IT systems). The insula-tion resistance of the system being monitored is measured against ground.
These types of measurements are specified according to DIN VDE 0100-410 – Power installations up to 1000 V – Protection against electric shock.
■ Technical specifications
■ Selection and ordering data
5TT3 470 5TT3 471
Power supply Uc V AC 220 ... 240 --V DC -- --
Primary operating range With AC supply × Uc 0.8 ... 1.1 --For DC supply V DC -- --
Frequency range for Uc Hz 45 ... 400 --
Rated power dissipation Pv VA Approx. 2 --For DC supply W -- Approx. 1
Rated impulse withstand voltage Uimp Terminals A1 to A2 kV < 4 < 4Terminals L to PU kV < 4 < 4Terminals A1, A2 to L, PU kV < 4 < 3Terminals against contacts kV < 6 < 6
Measuring circuit For three-phase and AC systems For direct voltage systems
Measurement voltage range Umeas V AC 0 ... 500 --V DC -- 12 ... 280
Primary operating range × Umeas 0 ... 1.1 0.9 ... 1.1
Frequency range for Umeas Hz 10 ... 1000 --
Alarm values Measuring shunt RAL kΩ 5 ... 100 5 ... 200
Setting of alarm value On absolute scale Infinitely variable Infinitely variable
Alternating current internal resistance Internal testing resistor kΩ > 250 --
Direct current internal resistance Internal testing resistor kΩ > 250 --L+ and L- to PU kΩ -- 75 each
Measurement voltage Umeas Internal V DC Approx. 15 --
Max. measurement current Imeas Short circuit mA < 0.1 0.2 ... 4 depending on the voltage
Direct interference voltage Max. permissible V DC 500 --
Response delay At RAL 50 kΩ and 1 μFand ∞ up to 0.9 x Rmeas s < 1.3 0.8and Rmeas from ∞ to 0 Ω s < 0.7 0.4
Switching hysteresis at Rmeas 50 kΩ % 15 10 ... 15
Contacts μ contact 2 CO 2 CO
Rated operational voltage Ue V AC 230 230
Rated operational current Is Thermal current limit Ith A 4 4DC-13 at 24 V DC A -- 2DC-13 at 250 V DC A -- 0.2AC-15 A -- 3AC-15 NO contacts A 5 --AC-15 NC contacts A 2 --
Terminals ±screw (Pozidriv) 2 2
Conductor cross-sections Rigid, max. mm2 2 × 2.5Flexible, with end sleeve, min. mm2 1 × 0.50
Permissible ambient temperature °C -20 ... +60
Degree of protection Terminals (acc. to EN 60529) IP20Enclosure (acc. to EN 60529) IP40
Resistance to climate Acc. to EN 60068-1 20/060/04
Contacts Uc Ue Measuring range
Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC V kΩ MW kg
Insulation monitors
for monitoring insulation resistance in non-grounded three-phase and AC systems from 10 ... 1000 Hz against ground
2 CO 230 0 ... 500 V AC 5 ... 100 2 B 5TT3 470 1 1 unit 027 0.184
For monitoring the insulation resistance in non-grounded DC systems against ground
2 CO -- 12 ... 280 V DC 5 ... 200 2 B 5TT3 471 1 1 unit 027 0.149
LV10-1_12_EN.book Seite 20 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Electrical Values
7LQ3 monitors for medical premises
12/21Siemens LV 10.1 · 2012
12
■ Overview
In areas that conform to Group 2 of DIN VDE 0100-710, any in-terruption to the examination and/or treatment of patients would place those patients at risk.
Limit monitoring
This is prevented through the use of changeover and monitoring units. These monitor the insulation resistance of the non-grounded IT system, the load current and the temperature of the transformer. If the limit value is exceeded, the insulation monitor gives out a warning signal.
Voltage monitoring
In addition, a special voltage relay monitors the voltage of the power supply and switches to a second power supply if it falls below the specified limit values.
■ Benefits
• TÜV-certified switchover device with increased functionality• Plant state signal over contacts – No specific manufacturer's
bus system• Easy operation over potentiometers as the set limit value is al-
ways visible • Easy to integrate in existing plants, including plants from other
manufacturers.
■ Technical specifications
Switchover device7LQ3 361 7LQ3 362
Standards IEC 60364-7-710; DIN VDE 0100-710
Power supply Uv V AC 230 230/400
Primary operating range × Uv 0.9 … 1.1
Supply frequency fv Hz 50 … 60
Insulation coordination IEC 60664-1
Rated impulse withstand voltage kV 4
Pollution degree 3
Power loss max. Pv W 10.7
Power sectionContactors Mechanically latched; mechanically and electrically locked
Rated operational current acc. to DIN VDE 0100-710 A 51 32
Rated operational current AC-3 A 113 71
Short-circuit protection acc. to DIN VDE 0100-710 • Max. backup protection gG A 63
Switchover time s 0.1 ... 10
Measuring circuit insulation monitoringResponse value Rresp kΩ 50
Response deviation DIN VDE 61557-8
Response time ton at Ron = 50 kΩ, Ce = 1 μF RF from ∞ to 0.5 × Rto s < 1.3RF from ∞ to 0 kΩ s < 0.7
Hysteresis % 15
Measurement voltage Um V DC Approx. 15
Measurement current Im max (at RF = 0 Ω) µA < 50
Internal resistance DC Ri kΩ > 250
Impedance Zi at 50 Hz kΩ > 250
Permissible direct interference voltage Ufg V DC < 300
Test button External/internal
Measuring circuit load current monitoringResponse value, adjustable with external transformer 50/5 A, Class 1
A 5 … 50
Hysteresis % 4
Temperature influence %/°C ≤ 0.05
Time delay tv, adjustable s 0.1 … 20
Measuring circuit temperature monitoringResponse value kΩ 3.2 … 3.8
Release value kΩ 1.5 … 1.8
PTC thermistor Acc. to DIN 44081/44082 Unit(s) 1 … 6 in series
Measuring circuit, voltage monitoringResponse values ON-switching 2 % hysteresis 4 % hysteresis
OFF-switching × Uc 0.9 0.9
Phase failure detection At L1, L2 or L3 ms -- 100
N-conductor monitoring -- Yes
LV10-1_12_EN.book Seite 21 Mittwoch, 18. Januar 2012 4:43 16
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Monitoring DevicesMonitoring Devices for Electrical Values
7LQ3 monitors for medical premises
12/22 Siemens LV 10.1 · 2012
12
Switchover device7LQ3 361 7LQ3 362
ConnectionTerminals
• Load circuit Feeder terminals mm² 4 ... 16Output terminals
• Communication Status signals mm² 2.5Fault indications
Environmental conditionsPermissible ambient temperature °C -20 ... 45
Mounting position Vertical
Insulation monitors7LQ3 354 7LQ3 355
Standards EN 61557-8
Power supply Uv V AC 230
Primary operating range × Uv 0.9 … 1.1
Supply frequency fv Hz 50 … 60
Power loss max. Pv VA Approx. 7
Rated system voltage Un (measuring circuit) V AC 0 … 300
Rated frequency fn Hz 10 … 1000
EMC immunity to interference IEC 61000-6-2
EMC emitted interference IEC 61000-6-3
Insulation coordination IEC 60664-1
Rated impulse withstand voltage kV 4
Pollution degree 3
Flammability class UL 94V-0
Measuring circuit insulation monitoringResponse value Rresp kΩ 50 50 ... 500
Response deviation DIN VDE 61557-8
Response time ton at Ron = 50 kΩ, Ce = 1 μF RF from ∞ to 0.5 × Ron s < 1.3RF from ∞ to 0 kΩ s < 0.7
Hysteresis % 15
Measurement voltage Um V DC Approx. 15
Measurement current Im max (at RF = 0 Ω) µA < 50
Internal resistance DC Ri kΩ > 250
Impedance Zi at 50 Hz kΩ > 250
Permissible direct interference voltage Ufg V DC < 300
Measuring circuit load current monitoringResponse value, adjustable with external transformer 50/5 A, Class 1
A 5 … 50
Hysteresis % 4
Temperature influence %/°C ≤ 0.05
Time delay tv, adjustable s 0.1 … 20
Measuring circuit temperature monitoringResponse value kΩ 3.2 … 3.8
Release value kΩ 1.5 … 1.8
PTC thermistor Acc. to DIN 44081/44082 Unit(s) 1 … 6 in series
Display and control elementsOperating error Acc. to IEC 61557-8
LED display
• Current and temperature monitoring One red and one green LED• Ready-to-run Green• Insulation fault Red• Line breakage monitoring of the isolation measuring circuit Red
• Display of current insulation resistance -- 11-step LED chain
Pushbuttons Test and Reset
LV10-1_12_EN.book Seite 22 Mittwoch, 18. Januar 2012 4:43 16
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Monitoring DevicesMonitoring Devices for Electrical Values
7LQ3 monitors for medical premises
12/23Siemens LV 10.1 · 2012
Insulation monitors7LQ3 354 7LQ3 355
Output relayContacts for Overtemperature 2 CO contacts
Overload 2 CO contactsInsulation fault 2 CO contacts
Mode of operation Working current
Contacts AC 15 NO contacts A AC/V AC 3/230 AC 15 NC contacts A AC/V AC 1/230
Electrical service life 15 AC, 1 A, 230 V AC Switching cycles
30000
Thermal current A AC 5
ConnectionTerminals ±screw (Pozidriv) 2
• Conductor cross-sections Rigid mm2 2 × 2.5• Insulation fault Flexible, with end sleeve mm2 1 × 2.5
Environmental conditionsPermissible ambient temperature °C -20 … +60
Resistance to climate Acc. to EN 60068-1 20/060/04
Degree of protection Acc. to EN 60529 IP20, with connected conductors
Mounting position Any
Vibration stress Acc. to IEC 60068-2-6• Amplitude mm 0.35• Frequency Hz 10 … 55
Test and signaling panels 7LQ3 356 7LQ3 357
Standards DIN VDE 0100-710; IEC 60364-7-710
Rated voltage Un V AC/DC 24
Rated impulse withstand voltage Acc. to IEC 60664-1 kV 4
Voltage range AC 0.8 ... 1.1 x UnDC 0.9 ... 1.2 x Un
Rated current per input mA 0.25
Rated consumption VA 6
Rated operating mode Continuous operation
Pollution degree Acc. to IEC 60664-1 2
Degree of protection• Enclosures Acc. to IEC/EN 60529 IP40• Terminals Acc. to IEC/EN 60529 IP20
Flammability class UL 94V-0
Vibration strain Acc. to IEC/EN 60068-2-6• Amplitude mm 0.35• Frequency Hz 10 … 55
Resistance to climate Acc. to IEC/EN 60068-1 20/045/04
Terminal marking EN 50005
Wire connections
• Solid mm2 1 × 1.5mm2 2 × 0.5
• Strand mm2 1 × 1mm2 2 × 0.2
• Strand with sleeve mm2 1 × 0.5
Conductor mounting Box terminals with wire protection
Device dimensions mm 80 × 160 × 57 82 × 150 × 57
Temperature range °C -20 ... +45
LV10-1_12_EN.book Seite 23 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Electrical Values
7LQ3 monitors for medical premises
12/24 Siemens LV 10.1 · 2012
12
Current transformer Class 17LQ3 358
Standards IEC/EN 60044-1
Rated control voltage Uc V AC 230
Rated frequency Hz 50/60
Test voltage 50 Hz, 1 min kV 3
Rated transmission ratio kn A 50/5
Primary rated current A 50
Secondary rated current A 5
Rated power V/A 1.5
Class 1
Rated frequency Hz 50 ... 60
Highest voltage at equipment / insulation level kV 0.72/3
Overcurrent factor FS5• Thermal rated short-time current × In 60• Thermal rated continuous current × In 1.2
Expanded current range % 120
Permissible ambient temperature °C -20 … +60
Test and signaling combination for insulation monitors7LQ3 360
Standards DIN VDE 0100-710; IEC 60364-7-710
Rated voltage Un V AC 24
Voltage range AC 0.8 ... 1.1 × Un
Connected load W 0.5
Rated operating mode Continuous operation
EMC• Static discharge Acc. to IEC/EN 61000-4-2 kV 8 (air discharge)• RF irradiation Acc. to IEC/EN 61000-4-3 V/m 10• Rapid transients Acc. to IEC/EN 61000-4-4 kV 2• Surge voltage (surge) Acc. to IEC/EN 61000-4-5 kV 1
Degree of protection IP30
Amplitude mm 0.35
Frequency Hz 10 ... 55
Temperature range °C -5 ... +55
Resistance to climate Acc. to IEC/EN 60068-1 05/055/04
Terminal marking EN 50005
Wire connections• Solid mm2 1 × 4• Strand with sleeve and plastic collar mm2 1 × 2.5• Strand with sleeve and plastic collar DIN 46228-1/-2/-3/-4 mm2 2 × 1.5• Strand with sleeve DIN 46228-1/-2/-3 mm2 2 × 2.5
Conductor mounting Box terminals with wire protection
Device dimensions mm 80 × 80 × 35
LV10-1_12_EN.book Seite 24 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
12
Monitoring DevicesMonitoring Devices for Electrical Values
7LQ3 monitors for medical premises
12/25Siemens LV 10.1 · 2012
1) Tripping units must be ordered separately.
Voltage relays
5TT3 411 5TT3 412
Rated control voltage Uc V AC 230 230/400
Overload capability × Uc 1.15 1.1
Rated frequency Hz 50/60
Response values ON-switchingOFF-switching × Uc
2 % hysteresis0.9
4 % hysteresis0.9
Minimum contact load V/mA 10/100
Phase failure detection At L1, L2 or L3 ms -- 100
N-conductor monitoring -- Yes
Rated insulation voltage Ui Between coil/contact kV 4
Contacts AC 15 NO contactsAC 15 NC contacts
32
31
Electrical service life in switching cycles AC 15, 1 A, 230 V AC 5 × 105
Rated impulse withstand voltage Acc. to IEC 60664-1 kV 4
Pollution degree 2
Terminals ±screw (Pozidriv) 2
Conductor cross-sections• Rigid• Flexible, with end sleeve
mm2
mm22 × 2.52 × 1.5
Permissible ambient temperature °C -20 … +60
Resistance to climate Acc. to EN 60068-1 20/060/04
IT line transformer4AT3/4AT4
In the case of isolating transformers used to set up medical IT systems, overcurrent protective devices are only permissible as protection against short circuits. To protect the isolating transformers against overload they are fitted with monitoring devices that signal an excessive rise in tempera-ture (e. g. 7LQ3 354 insulation monitors).
Standards EN 61558-2-15
Safety class I
Static shield between primary and secondary winding With insulated connection
Thermistor transformer protection Warning in the event of thermal overload1)
Insulation monitoring With center tap
Short-circuit voltage uz % ≤ 3
No-load supply current i0 % ≤ 3• Starting current (rush), max. x I1N 8
Rated ambient temperature ta /Thermal Class 55 °C/H
LV10-1_12_EN.book Seite 25 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Electrical Values
7LQ3 monitors for medical premises
12/26 Siemens LV 10.1 · 2012
12
* You can order this quantity or a multiple thereof.
■ Selection and ordering data
Version Ue Ie Uc Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A V AC MW kg
Switchover device according to VDE 0100 710 for medical premises
2-pole, for medical premises of Group 2, for switching over two redundant supply leads, monitoring of IT system and theIT line transformer, up to 8 kVA
230 51 230 D 7LQ3 361 1 1 unit 027 17.500
4-pole, for use with symmetric loads
230 32 230/400 D 7LQ3 362 1 1 unit 027 17.500
Insulation monitors
With load current and temperature monitoring for medical premises
230 6 B 7LQ3 354 1 1 unit 027 0.396
With load current and temperature monitoring of medical premises with adjustable response value of 50 … 500 kΩ and output for 7LQ3 360 test and signaling combination
230 8 } 7LQ3 355 1 1 unit 027 0.600
Test and signaling panels
For switchover devices, 24 V AC/DC, 50/60 Hz
Surface mounting B 7LQ3 356 1 1 unit 027 0.325
Flush mounting B 7LQ3 357 1 1 unit 027 0.220
LV10-1_12_EN.book Seite 26 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
12
Monitoring DevicesMonitoring Devices for Electrical Values
7LQ3 monitors for medical premises
12/27Siemens LV 10.1 · 2012* You can order this quantity or a multiple thereof.
■ Accessories
SIRIUS 4AT isolating transformers
Further information on SIRIUS 4AT isolating transformers can be found in Catalog IC 10 · 2011.
1) Delivery time depends on the number of units ordered, the specified delivery time applies to an order quantity of up to 5 units.
Version Ue Ie Uc Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A V AC MW kg
Test and signaling combination for insulation monitors
24 V AC 50/60 Hz B 7LQ3 360 1 1 unit 027 0.105
Current transformer 50A/5A AC Class 1
With base angle
230 } 7LQ3 358 1 1 unit 027 0.390
Voltage relays for undervoltage monitoring of medical premises
Single-phase against N with test button, switching thresholds: 0.9 × Un, 2 % hysteresis
2 NO + 2 NC 230 4 230 4 C 5TT3 411 1 1 unit 027 0.220
Single, two or three-phase against N, with asymmetry, reverse voltage and phase fail-ure detection, with N-conductor monitoring, and one test button each for the phases, switching thresholds: 0.9 × Un, 4 % hysteresis
1 CO, 1 NO, 1 NC 230 4 230/400 4 C 5TT3 412 1 1 unit 027 0.230
Rated power Pn
Voltage rise during no-load opera-tion uA
Rated voltages Short-circuit protection for the transformer
DT1) Order No. PU(UNIT,
SET,M)
PS*/P. unit
PG Cuweightper PU
approx.
Weightper PU
approx.
Input U1N
Output U2N
With fuse, opera-tional class gG
With circuit breaker
Type Set value
kVA % V V A A kg kg
Isolating transformer
• IP00 degree of protection
2.5 3.6 230 230-115 35 3RV20 21-4CA10 21 X 4AT30 12-1TA71-3MA0 1 1 unit 4M1 7.400 25.5003.15 3.6 230 230-115 35 3RV10 31-4EA10 26 X 4AT36 02-1TA71-3MA0 1 1 unit 4M1 6.800 33.0004 3.6 230 230-115 50 3RV10 31-4EA10 29 X 4AT36 12-1TA71-3MA0 1 1 unit 4M1 9.400 36.000
5 3.6 230 230-115 50 3RV10 31-4FA10 36 X 4AT39 02-1TA71-3MA0 1 1 unit 4M1 9.700 45.0006.3 3.6 230 230-115 63 3RV10 31-4GA10 40 X 4AT39 12-1TA71-3MA0 1 1 unit 4M1 13.800 49.0008 3.7 230 230-115 63 3RV10 41-4JA10 49 X 4AT43 02-1TA71-3MA0 1 1 unit 4M1 12.600 63.000
• Degree of protection IP23
2.5 3.6 230 230-115 35 3RV20 21-4CA10 21 X 4AT30 12-1TA71-3MC0 1 1 unit 4M1 7.400 33.2003.15 3.6 230 230-115 35 3RV10 31-4EA10 26 X 4AT36 02-1TA71-3MC0 1 1 unit 4M1 6.800 50.0004 3.7 230 230-115 50 3RV10 31-4EA10 29 X 4AT36 12-1TA71-3MC0 1 1 unit 4M1 9.400 44.000
5 3.6 230 230-115 50 3RV10 31-4FA10 36 X 4AT39 02-1TA71-3MC0 1 1 unit 4M1 9.700 59.0006.3 3.9 230 230-115 63 3RV10 31-4GA10 40 X 4AT39 12-1TA71-3MC0 1 1 unit 4M1 13.800 63.0008 3.7 230 230-115 63 3RV10 41-4JA10 49 X 4AT43 02-1TA71-3MC0 1 1 unit 4M1 12.400 77.000
LV10-1_12_EN.book Seite 27 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Plants and Equipment
5TT3 fault signaling units
12/28 Siemens LV 10.1 · 2012* You can order this quantity or a multiple thereof.
12
■ Overview
Fault signaling units are used in small plants where the installa-tion of complex fault signaling systems would be too labor-inten-sive and too expensive. In the event of a fault, they enable fast fault localization of all monitoring devices and limit monitors from a central location. This increases plant availability. With the cor-rect sensor configuration, they also provide the option of preven-tative maintenance.• 4 fault signal inputs with LED• 1 LED as centralized fault indicator• One unit each for centralized fault indication and acoustic
signaling• With acknowledgment for acoustic indicators• Open-/closed-circuit principle to the 4 inputs can be adjusted
via jumpers X1 - X2• A maximum of 39 5TT3 461 expansion fault signaling units can
be connected to the 5TT3 460 centralized fault signaling unit• The maximum possible cable length between 5TT3 460 cen-
tralized fault signaling units and 5TT3 461 expansion fault sig-naling units is approx. 100 m with a conductor cross-section of 1.5 mm2.
■ Benefits
• Ultra compact device designs that only require the smallest of spaces in distribution boards
• The modular design means that it is easy to add devices as your system expands.
■ Technical specifications
■ Selection and ordering data
5TT3 460 5TT3 461
Standards IEC 60255; IEC 61810
Rated control voltage Uc V AC 230
Primary operating range × Uc 0.8 ... 1.1
Rated frequency fn Hz 50/60
Fault signaling inputs S1 ... S4 V AC 230
Signal voltage
To terminals S and H
V 7 ... 10
Noise pulse duration ms ≥ 100
Acknowledgment pulse duration ms ≥ 200
Contacts
• Rated operational voltage Ue V AC 230 --
• Rated operational current Ie A 5 --
• Minimum contact load V; mA 10; 100 --
Connections
• Terminals ±screw (Pozidriv) PZ 1
• Conductor cross-sections- Rigid, max. mm2 2 × 2.5- Flexible, with end sleeve, min. mm2 1 × 0.5
Permissible ambient temperature °C -20 ... +60
Humidity class Acc. to IEC 60068-2-30 F
Ue Ie Uc Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A AC V AC MW kg
Centralized fault signaling units with transparent cap
230 5 230 2 B 5TT3 460 1 1 unit 027 0.149
Expansion fault signaling units with transparent cap
230 -- -- 2 B 5TT3 461 1 1 unit 027 0.124
LV10-1_12_EN.book Seite 28 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
12
Monitoring DevicesMonitoring Devices for Plants and Equipment
5TT5 EMERGENCY STOP modules
12/29Siemens LV 10.1 · 2012* You can order this quantity or a multiple thereof.
■ Overview
EMERGENCY STOP circuits are common safety measures in all laboratory equipment and industrial plants. The EMERGENCY STOP modules used here must meet the most rigorous demands with regard to functional reliability. Benchmark is the degree of self-monitoring. The Directive 98/37/EC on Safety of Machines, valid from 2-31-1994, only specifies global safety standards. De-tails on how to implement individual safety demands are defined in standards, e. g. by the European Committee for Electrotechni-cal Standardization (CENELEC), which are based on interna-tional standards.
■ Benefits
• The electrical isolation between electric circuit and control meets the requirements of the standard
• An LED for the operating and switching state provides con-stant information on the operating state
• The safety category 4 to EN 954-1 expands the application options in many fields
• Compliance with the regulations according to EC Machine Directive 98/37/EC supports a high safety standard for those working in the plants.
■ Technical specifications
■ Selection and ordering data
5TT5 200
Standards IEC 60204-1; EN 60204-1 (VDE 0113-1)
Supply
• Rated control voltage Uc V AC 230- Primary operating range × Uc 0.8 ... 1.1
• Rated frequency fn Hz 50
• Rated power dissipation Pv Coil/drive 3.5Contact per pole VA 0.8
Control voltage Terminal Y1 V AC/DC 24
Control current Terminal Y1 mA DC 45
Recovery time ms 500
Safety
• Electrical isolation, creepage distances and clearances, actuator/contact mm 3
• Rated impulse withstand voltage Uimp drive/contact kV > 4
Contacts
• Contacts NO contacts AC-15 A 3NC contacts AC-15 A 2NO/NC contacts AC-1 A 5
• Contact gap mm > 1
• Electrical service life AC-15, 2 A, 230 V AC Switching cycles
105
• Reliable switching frequency Switching cycles/h
600
Vibration resistanceAmplitude Acc. to EN 60068-2-610 Up to 55 Hz mm 0.35
Connections
• Terminals ±screw (Pozidriv) PZ 1
• Conductor cross-sections of main current paths- Rigid Max. mm2 2 × 2.5- Flexible, with end sleeve Min. mm2 1 × 0.5
Permissible ambient temperature °C 0 ... +50
Resistance to climate Acc. to EN 60068-1 0/55/04
Ue Ie Uc Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A AC V AC MW kg
EMERGENCY STOP modules
400 5 230 4 B 5TT5 200 1 1 unit 027 0.284
LV10-1_12_EN.book Seite 29 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Plants and Equipment
5TT3 level relays
12/30 Siemens LV 10.1 · 2012
12
■ Overview
Level relays are used for the monitoring and control of conduc-tive, non-combustible liquids and powders. They ensure over-flow and dry run protection. Due to their sensor performance, the devices can also be used for general resistance monitoring.
LED displays:• Green LED: lights up when operational voltage is applied• Yellow LED: lights up if MIN output relay is activated• Red LED: lights up if MAX output relay is activated.
■ Benefits
The measuring range up to 450 kΩ enables a differentiation be-tween foam and liquid. It also increases the universal application for resistance measurements.
Due to its low-frequency, electrically isolated measuring circuit, the device has a high immunity to interference against system coupling, which enables cable lengths of up to 1500 m and sup-presses the effects of electrolysis in the liquid• The two outputs for minimum and maximum control can also
be used for the advance warning and tripping of limit values• 3 electrode connections for 1-step and 2-step level control• All standard products can be used as electrodes• High immunity to interference of the measuring circuit isolated
from the system• Programmable for open-circuit principle (with bridge X2 COM)
or closed-circuit principle (without jumper)• Separately adjustable delay times for tv min and tv max,
0.2 s to 2 s.
■ Technical specifications
5TT3 435
Standards IEC 60255; IEC 61810
Supply
• Rated control voltage Uc V AC 230- Primary operating range × Uc 0.8 ... 1.1
• Rated frequency fn Hz 50/60
Setting range of the liquid level kΩ 2 ... 450
Switching point hysteresis of set value
• At 450 kΩ % 3• At 2 kΩ % 6
Voltage temperature influence From set value % < 2
Max. cable length to the Set value kΩElectrodes at 100 μF/km 450 m 50
100 m 20035 m 50010 m 1500
5 m 3000
Electrode voltage Max. V AC Approx. 10
Electrode current Max. mA AC Approx. 1.5
Response delay Adjustable s 0.2 ... 20
OFF-delay Adjustable s 0.2 ... 20
Rated operational voltage Ue V 250
Rated operational current Ie A 5
Test voltageInput/auxiliary circuit kV 4Input/output circuit kV 4Auxiliary/output circuit kV 4
Connections
• Terminals ±screw (Pozidriv) PZ 2
• Conductor cross-sections- Rigid Max. mm2 2 × 2.5- Flexible, with end sleeve Min. mm2 1 × 0.5
Permissible ambient temperature °C -20 ... +60
Resistance to climate According to EN 60068-1 20/60/4
LV10-1_12_EN.book Seite 30 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
12
Monitoring DevicesMonitoring Devices for Plants and Equipment
5TT3 level relays
12/31Siemens LV 10.1 · 2012* You can order this quantity or a multiple thereof.
■ Selection and ordering data
Ue Ie Uc Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A AC V AC MW kg
Level relays
230 4 230 2 B 5TT3 435 1 1 unit 027 0.188
Immersion electrodes
• Made of stainless steel, with PG13 sealing cap• Temperature range 0 ... 60 °C• Suitable for pure water in open containers
With terminal connection B 5TG8 223 1 1/24 units 027 0.087
LV10-1_12_EN.book Seite 31 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Plants and Equipment
5TT3 line circuit relays
12/32 Siemens LV 10.1 · 2012* You can order this quantity or a multiple thereof.
12
■ Overview
Line circuit relays are used to interrupt circuits and prevent elec-tromagnetic fields in circuits where there are currently no active loads. If the loads are disconnected, and the line circuit relay measures a usage of only 2 to 20 VA - adjustable - it disconnects the cable to the supply voltage and switches over to extra-low voltage. As soon as loads are reconnected, the line circuit relay detects the increase in usage and switches back to the supply voltage. While the line circuit relay switches off any unnecessary system components, it is not a device for ensuring isolation in the sense of safe disconnection.
The line circuit relay is unable to detect consumers with elec-tronic power supply units, e. g. electronically controlled vacuum cleaners. It is expedient to connect such devices to a base load resistor (PTC resistor) so that the line circuit relay is reset to sup-ply voltage.
■ Benefits
• High availability to a wide range of loads, as all resistive, capacitive and inductive loads are detected
• Adjustable from 2 VA to 20 VA• With status display for contact adjustment• With switch continuously ON• With safety information on stickers for socket outlets and
distribution boards.
■ Technical specifications
■ Selection and ordering data
5TT3 171
Standards IEC 60255; IEC 61810
Rated control voltage Uc V AC 230
Primary operating range × Uc 0.85 ... 1.15
Rated frequency Hz 50/60
Rated power dissipation Pv Electronics VA 5Contacts VA 2.6
Monitoring voltage V 3
Response value Adjustable VA 2 ... 20
Release value % of the response value 70
Rated impulse withstand voltage Uimp Input/output kV > 4
Rated operational voltage Ue V AC 250
Rated operational current Ie AC-1 A 16AC-11 A 3
Contacts μ contact
Electrical service life in switching cycles at 3 A AC-11 5 × 105
Terminals +/-screw (Pozidriv) PZ 1
Conductor cross-sections
• Rigid Max. mm2 2 × 2.5• Flexible, with end sleeve Min. mm2 1 × 0.5
Permissible ambient temperature °C -20 ... +45
Degree of protection Acc. to IEC/EN 60529 IP20, with connected conductors
Safety class Acc. to EN 61140/VDE 0140-1 II
Humidity class Acc. to IEC 60068-2-30 F
Contacts Ue Ie Uc Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A AC V AC MW kg
Line circuit relays
For disconnecting the voltage or field circuit of electrical systems even when loads are dis-abled.
1 NC 250 16 230 1 A 5TT3 171 1 1 unit 027 0.087
Base load resistors for electronic devices
With 15-cm connection wires, end sleeves and shrink sleeving
C 5TG8 222 1 1 unit 027 0.006
LV10-1_12_EN.book Seite 32 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Plants and Equipment
7LQ2 dusk switches
12/33Siemens LV 10.1 · 2012
12
■ Overview
Dusk switches are used for the demand-oriented switching of lighting installations for shop windows or paths in order to cut operating costs. A light sensor measures the level of daylight. Switching depends on the desired brightness. A time delay and the switching hys-teresis prevent clock-pulse behavior. The sensor must be mounted so that it is not influenced by the lighting feedback.
■ Benefits
• The devices 7LQ2 101 and 7LQ2 103 have 2 switching chan-nels that can be set independently of each other. This requires a light sensor
• 12 dusk switches can be switched parallel to a light sensor. This saves the multiple installation of light sensors in a single system and all dusk switches operate independently of each other and can be adjusted individually.
■ Technical specifications
7LQ2 100 7LQ2 101 7LQ2 102 7LQ2 103 5TT3 303
Standards EN 60730
Rated control voltage Uc V AC 230
Primary operating range At 50/60 Hz × Uc 0.8 ... 1.2
Rated frequency fn Hz 45 ... 65
Measuring ranges, setting ranges lux 2 ... 500 2 × 2 ... 500 2 ... 500 2 × 2 ... 500 2 ... 500
Time delay Non-adjustable s 75 ± 25 No 75 ± 25 No 50Adjustable No 2 × 50 ... 100 ±
25No 2 × 50 ... 100 ±
25No
Status indication, LED Switching status indication Instantaneous NoSwitching state OFF Green NoSwitching state ON Red No
Incandescent lamp load W 2000 2 × 2000 2000 2 × 2000 1200
Different phases Actuator/contact permissible Yes NoContact/contact No Yes No Yes No
Electrical isolation Creepage distances and clearancesActuator/contact mm 4 NoContact/contact mm No 4 No 4 No
Rated impulse withstand voltage Uimp Actuator/contact kV > 2.5 No1.2/50 μs Contact/contact kV No > 2.5 No > 2.5 No
Contacts μ contact 1 NO 2 NO 1 NO 2 NO 1 NO
• Rated operational voltage Ue V AC 250
• Rated operational current Is- At p.f. = 1 A 16 10- At p.f. = 0.4 A 4 2
• Minimum contact load V; mA 10; 100
• Contact switching Closes with approaching darkness
Terminals 3/4 5/6 and 9/10 3/4 5/6 and 9/10 No
Connections
• Terminals ±screw (Pozidriv) PZ 1
• Conductor cross-sections- Rigid mm2 1.5 ... 6 1.5- Flexible, with end sleeve Min. mm2 0.75 0.5
Environmental conditions
• Permissible ambient temperature- Device °C -10 ... +55- Light sensor °C -30 ... +70 --
• Permissible humidity- Device % < 80- Light sensor % < 98 --
• Degree of protection Acc. to EN 60529- Device IP20, with connected conductors IP54- Light sensor IP55 IP65 No
• Safety class Acc. to EN 61010 II
LV10-1_12_EN.book Seite 33 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Plants and Equipment
7LQ2 dusk switches
12/34 Siemens LV 10.1 · 2012
12
* You can order this quantity or a multiple thereof.
■ Selection and ordering data
Ue Ie Uc Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A AC V AC MW kg
Dusk switches
1-channel version,
Setting range 2 ... 500 lux with 7LQ2 910 light sensor for surface mounting, IP55
250 16 230 2 A 7LQ2 100 1 1 unit 027 0.287
With 7LQ2 911 light sensor, for flush wall mounting, IP65
250 16 230 2 B 7LQ2 102 1 1 unit 027 0.332
2-channel version,
Setting range 2 ... 500 luxwith 7LQ2 910 light sensor, for surface mounting IP55, expandable to 24 channels through parallel switching of 12 devices, which can be mutually controlled through a light sensor.
250 16 230 3 B 7LQ2 101 1 1 unit 027 0.253
With 7LQ2 911 light sensor, for flush wall mounting IP65 expandable to 24 channels through parallel switching of 12 devices, which can be mutually controlled through a light sensor.
250 16 230 3 B 7LQ2 103 1 1 unit 027 0.279
1-channel version,
Setting range 2 ... 500 lux for surface mounting, IP54, with integrated light sensor
250 10 230 – C 5TT3 303 1 1 unit 027 0.226
Replacement light sensors
With watertight, resistant resin molding material, heat-resistant to 70 °C
Degree of protection IP55, for 7LQ2 100 and 7LQ2 101, for surface mounting, 2 ... 500 lux
B 7LQ2 910 1 1 unit 027 0.038
Degree of protection IP65, for 7LQ2 102 and 7LQ2 103, for flush wall mounting, 2 ... 500 lux
B 7LQ2 911 1 1 unit 027 0.080
LV10-1_12_EN.book Seite 34 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Plants and Equipment
7LQ2 temperature controllers
12/35Siemens LV 10.1 · 2012
12
■ Overview
The temperature controllers are used for controlling or limiting temperatures in residential and non-residential buildings, as well as in industrial areas. They're used for heating registers, panel and hot air heating and direct floor heating, as a limiting thermo-stat for air-conditioning systems and cooling systems, control cabinet cooling, etc. as well as for temperature control in humid and dusty rooms. Can also be used for inaccessible room tem-perature setting for rooms in public buildings, such as schools, dayrooms and comparable applications.
■ Benefits
• Electronic temperature controllers with red/green LED for sup-ply voltage indication, switching status indication and temper-ature sensor monitoring. This supports the monitoring of safe operation at all times
• The temperature sensor with the measuring element KTY or a PT100 is monitored for short circuits and interruptions. This protects against unpleasant surprises during operation.
■ Technical specifications
7LQ2 001 7LQ2 002 7LQ2 003 7LQ2 005
Standards EN 60730
Rated control voltage Uc V AC 230
Primary operating range At 50/60 Hz × Uc 0.8 ... 1.2
Rated frequency fn Hz 45 ... 65
Measuring ranges, setting ranges °C -30 ... +30 0 ... +60 +40 ... +100 2 ... +400
Switching hysteresis Adjustable °C 1 ... 5 4 ... 20
Status indication, LEDSwitching status indication
• Actuating voltage Green
• Switching state ON Red
• Break or short circuit of the sensor conductor Red flashing
Different phases Actuator/contact permissible Yes
Electrical isolation Creepage distances and clearances, actuator/contact mm 4
Rated impulse withstand voltage Uimp(1.2/50 μs)
Actuator/contact kV > 2.5
Contacts μ contact 1 CO
• Rated operational voltage Ue V AC 250
• Rated operational current Is- At p.f. = 1 A 16- At p.f. = 0.4 A 4
• Minimum contact load V; mA 10; 100
• Contact switching Closes with increasing temperature
Terminals 3/4
Connections
• Terminals ±screw (Pozidriv) PZ 1
• Conductor cross-sections - Rigid mm2 1.5 ... 6- Flexible, with end sleeve Min. mm2 0.75
Environmental conditions
• Permissible ambient temperature - Device °C -10 ... +55- Temperature sensor °C -30 ... +105 --
• Permissible humidity - Device % ≤ 80- Temperature sensor % ≤ 98 --
• Degree of protection Acc. to EN 60529- Device IP20, with connected conductors- Temperature sensor IP65 --
• Safety class Acc. to EN 61010 II
LV10-1_12_EN.book Seite 35 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Plants and Equipment
7LQ2 temperature controllers
12/36 Siemens LV 10.1 · 2012
12
* You can order this quantity or a multiple thereof.
■ Selection and ordering data
Ue Ie Uc Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A AC V AC MW kg
Temperature controllers
With KTY 11-6 temperature sensor
Adjustment range -30 ... +30 °C, 1 CO
250 16 230 2 B 7LQ2 001 1 1 unit 027 0.259
Adjustment range 0 ... +60 °C, 1 CO
250 16 230 2 B 7LQ2 002 1 1 unit 027 0.260
Adjustment range +40 +100 °C, 1 CO
250 16 230 2 B 7LQ2 003 1 1 unit 027 0.260
Temperature controllers without temperature sensor
For PT100 measuring element (not included in delivery)
Adjustment range +2 ... +400 °C, 1 CO
250 16 230 2 B 7LQ2 005 1 1 unit 027 0.232
KTY 11-6 replacement temperature sensors
Safety class IP65, for 7LQ2 001, 7LQ2 002 and 7LQ2 003, encapsulated, with watertight/resistant resin material, with 1 m silicone line, heat-resistant up to 105 °C, can be extended up to 100 m
230 B 7LQ2 900 1 1 unit 027 0.032
LV10-1_12_EN.book Seite 36 Mittwoch, 18. Januar 2012 4:43 16
© Siemens AG 2012
12
Monitoring DevicesMonitoring Devices for Plants and Equipment
5TT3 p.f. monitors
12/37Siemens LV 10.1 · 2012* You can order this quantity or a multiple thereof.
■ Overview
The p.f. controllers monitor the phase displacement between current and voltage. Because the phase displacement angle changes with the load of the motor, this measurement method is ideal for the monitoring of asynchronous motors for underload and no-load operation, independent of size. However, in some cases, the p.f. barely changes if the load of the motor changes, e. g. in the case of relatively minor load changes on large-scale motors or single-phase split-pole motors or collector motors.
The p.f. controller monitors single and three-phase asynchro-nous motors up to approx. 5 A (without current transformer) for underload and no-load operation. This is phase-sequence-inde-pendent and increases plant availability. Typical applications are fan monitoring in the case of V-belt breakage, pump monitoring
in the event of valve closure or dry runs. A current transformer is used for higher rated currents.
If the p.f. value set at the p.f. monitor is fallen below for the dura-tion of the set response delay, the output relay switches to the alarm state and the red LED lights up. If it exceeds the p.f. value, the output relay switches back without any significant delay.• Adjustable p.f. response value, from 0 to 0.97• Current range up to 8 A• LED display for operation and alarm• Automatic resetting of alarm.
■ Benefits
• The ultra compact p.f. controller requires only the smallest of spaces and saves costs.
■ Technical specifications
■ Selection and ordering data
5TT3 472
Standards IEC/EN 60255, VDE 0435
Rated control voltage Uc 3 V AC 400
Primary operating range With AC supply × Uc 0.8 ... 1.1
Frequency range fn Hz 45 ... 65
Rated power dissipation Pv VA Approx. 11
Rated impulse withstand voltage Uimp Against contacts kV < 4
Current measuring circuits For AC systems
Current measuring range Imeas A AC 0.4 ... 8
Short-time load carrying capacity For 2 s A 20For 0.5 s A 40
Current transformer, Class 3 or better Secondary current A 1 or 5
Setting range Adjustable p.f. 0 ... 0.97
Response delay Adjustable s 1 ... 100
Short-circuit strength Fuse 4 A gL A 4
Contacts μ contact 1 CO
• Rated operational voltage Ue V AC 250
• Rated operational current Ie Thermal current A 4AC-15 NO contacts A 3AC-15 NC contacts A 1AC-13 at 24 V DC A 1
• Minimum contact load V; mA 10; 100
Connections
• Terminals ±screw (Pozidriv) PZ 2
• Conductor cross-sections- Rigid Max. mm2 2 × 2.5- Flexible, with end sleeve Min. mm2 1 × 0.5
Permissible ambient temperature °C -20 ... +60
Resistance to climate Acc. to EN 60068-1 20/60/4
Degree of protection Acc. to EN 60529 IP20, with connected conductors
Contacts Ue Ie Uc Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A AC V AC MW kg
p.f. controllers
For monitoring of the underload of motors up to approx. 5 A AC by making p.f. measurements, setting range p.f. from 0 to 0.97
1 CO 4 3 × 400 0.4 ... 8 1 B 5TT3 472 1 1 unit 027 0.081
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© Siemens AG 2012
Monitoring DevicesMonitoring Devices for Plants and Equipment
5TT3 motor protection relays
12/38 Siemens LV 10.1 · 2012* You can order this quantity or a multiple thereof.
12
■ Overview
Thermistor motor protection relays monitor the thermistors wound in motors. This helps prevent thermal motor overloads, e. g. due to high switching frequency, single-phasing, disabled cooling or excessive ambient temperatures. Up to 6 thermistors in series can be monitored. A conductor break in the sensor con-ductor will immediately trip the device. The device can also be used for monitoring wound quick-break switches - e. g. bimetal thermostats. This offers all-round motor protection.• For the detection of
- Temperature limits being exceeded- Wire breaks in sensor circuits
• 1 input for 1 to 6 thermistors• With 2 LEDs green/red for ready-to-run and fault
• Response value: 3.2 to 3.8 kΩ• Release value: 1.5 to 1.8 kΩ• Max. cable length of sensor supply cable NYM 2 × 1.5
is 100 m• Remote Reset: over A1/A2 (NC contact) or over X1/X2
(NO contact)
LED displays:• Green LED: lights up when operational voltage is applied• Red LED: lights up in the event of overtemperatures or an in-
terruption in the sensor circuit.
■ Benefits
• The test button for the diagnosis of the devices ensures high functional reliability for users
• The ultra compact thermistor motor protection relay requires only the smallest of spaces. This saves costs
• A remote reset enables the device to be switched back on again centrally at any time. This increases plant availability.
■ Technical specifications
■ Selection and ordering data
5TT3 4315TT3 432
Standards IEC 60255; IEC 61810
Rated control voltage Uc V AC 230
Primary operating range × Uc 0.9 ... 1.1
Rated frequency Hz 50/60
Response value kΩ 3.2 ... 3.8
Release value kΩ 1.5 ... 1.8
Minimum contact load V; mA 10; 100
Rated insulation voltage Ui Between coil/contact kV 4
Rated impulse withstand voltage Uimp Actuator/contact kV >2.5
Contacts μ contact (AC-11) A 3
• Rated operational voltage Ue V AC 230
• Rated operational current Ie A 5Actuator/contact mm 4
Connections
• Terminals ±screw (Pozidriv) PZ 1
• Conductor cross-sections- Rigid Max. mm2 2 x 2.5- Flexible, with end sleeve Min. mm2 1 x 0.5
Permissible ambient temperature °C -20 ... +60
Resistance to climate According to EN 60068-1 20/60/4
Ue Ie Uc Mounting width
DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC A AC V AC MW kg
Thermistor motor protection relays
230 5 230 2 B 5TT3 431 1 1 unit 027 0.167
With fault storage, reset pushbutton and remote reset
230 5 230 2 B 5TT3 432 1 1 unit 027 0.172
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Monitoring DevicesCharging Infrastructure for Electric Vehicles
CM-100 charging controller acc. to IEC 61851
12/39Siemens LV 10.1 · 2012
12
■ Overview
IEC 61851 describes the safety requirements which must be met by conductive charging systems for electric vehicles. Standard-compliant AC charging in operating mode 3 requires the SIPLUS ECC1000 CM-100 charging controller, which is perma-nently installed in a charging station in order to communicate with the electric vehicle via the charging cable. It identifies whether the correct charging cable is connected. If yes, the plug interlock will be activated and a feedback signal sent to the charging controller. A further enable signal, e. g. via a key-oper-ated switch, actuates the 5TT5 Insta contactor for the charging current circuit and the charging operation can start.
Dimension drawings and terminal connection plans can be found in the Service & Support Portal at: www.siemens.com/lowvoltage/support
7KT1 PAC1500measuring device
5TT5insta contactor
5SD7surge arrestertyp 2
5TT3 CM-100charging controller
5SM3RCCB
5SY4MCB
I201
_183
55
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Monitoring DevicesCharging Infrastructure for Electric Vehicles
CM-100 charging controller acc. to IEC 61851
12/40 Siemens LV 10.1 · 2012
12
* You can order this quantity or a multiple thereof.
■ Technical specifications
■ Selection and ordering data
Charging controller 5TT3 200-1KK20 5TT3 200-2KK20 5TT3 200-3KK20 5TT3 200-4KK20 5TT3 200-6KK20 5TT3 200-2KK30
Standard Acc. to IEC/EN 61851 Mode 3
Vehicle communication• Charging mode 3 acc. to IEC 61851-1• Number of
charging interfaces1
Operational voltage V AC 110 ... 230 110 ... 230 110 ... 230 --V DC -- -- -- 18 ... 28
Rated frequency Hz 50/60
Rated charging current A 13 16 20 32 13/32, switchable
16
Maximum power loss W 6
Surge strength kV 4
Degree of protection IP20
Pollution degree 3 acc. to IEC/EN 61010-1
Overvoltage category II
Ambient operating temperature
°C -25 ... +60
Storage temperature °C -25 ... +70
Relative humidity % ≤ 95
Terminals Removable screw terminals
Conductor cross-sections• Rigid mm2 0.5 … 2.5• Flexible, with end sleeve mm2 0.5 … 2.5
Relay outputs• Number NO contacts 4 • Maximum contact load A 0.75 at 110/230 V AC
A 1 at 24 V DC• Electrical service life Switching
cycles80 000 at 1 A, inductive load
Digital inputs• Number 2• Input voltage V 0 ... 5
Display 1 status LED
Mounting / mounting position Vertical, on horizontal mounting rail
Operational voltage Rated charging current DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V AC V DC A kg
SIPLUS ECC1000 CM-100 charging controller
110 ... 230 -- 13 A 5TT3 200-1KK20 1 1 unit 050 0.249
110 ... 230 -- 16 A 5TT3 200 2KK20 1 1 unit 050 0.249
110 ... 230 -- 20 A 5TT3 200 3KK20 1 1 unit 050 0.249
110 ... 230 -- 32 A 5TT3 200-4KK20 1 1 unit 050 0.249
110 ... 230 -- 13/32, switchable A 5TT3 200 6KK20 1 1 unit 050 0.249
-- 18 ... 28 16 A 5TT3 200 2KK30 1 1 unit 050 0.223
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Monitoring DevicesCharging Infrastructure for Electric Vehicles
CM-230 charging controller acc. to IEC 61851
12/41Siemens LV 10.1 · 2012* You can order this quantity or a multiple thereof.
■ Overview
CM-230 stand-alone version
This charging controller with Ethernet connection is used for home and public charging applications.
A web interface lets you change the parameters of the controller and call up information on the current status of the charging operation.
CM-230 managed version
This charging controller with Ethernet connection is used for complex public charging applications. The controller is typically used as a remote I/O module in combination with further charg-ing controllers that are integrated via Ethernet in a higher-level control system. The managed version offers system integra-tors/operators greater flexibility, such as the individual control of free I/O modules.
A function block (FB) is available for connecting to SIMATIC con-trol systems.
■ Technical specifications
■ Selection and ordering data
Charging controller 6FE1 021-3CM10-1AA0 6FE1 021-3CM10-2AA0
Managed version Stand-alone version
Standards Acc. to IEC/EN 61851 Mode 3
Vehicle communication Ethernet
Operational voltage V DC 24
Rated charging current A 6 ... 80 (adjustable via web interface)
Support of load management Yes
Integrated sensors Yes; temperature and humidity
Degree of protection IP20
Pollution degree Acc. to IEC/EN 61010-1 3
Ambient temperature °C -25 ... +55
Terminals Removable screw terminals
Conductor cross-sections• Rigid mm2 0.5 … 2.5• Flexible, with end sleeve mm2 0.5 … 2.5
Mounting / mounting position Vertical, on horizontal mounting rail
Operational voltage Rated charging current DT Order No. Priceper PU
PU(UNIT,
SET,M)
PS*/P. unit
PG Weightper PU
approx.
V DC A kg
SIPLUS ECC2000 CM-230 charging controller
24 6 ... 80 (adjustable via web interface)
X 6FE1 021-3CM10-1AA0 1 1 unit 477 0.250
24 X 6FE1 021-3CM10-2AA0 1 1 unit 477 0.250
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Monitoring DevicesCharging Infrastructure for Electric Vehicles
Notes
12/42 Siemens LV 10.1 · 2012
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© Siemens AG 2012