Dorman Smith Air Circuit Breaker
Transcript of Dorman Smith Air Circuit Breaker
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http://energy.tycoelectronics.com
Energy Division
Loadline Z-Frame Air Circuit Breakers
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Loadline Z-Frame Air Circuit Breakers
The Dorman Smith Z Frame ACB range offers current ratings from 800A - 4000A in 3
frame sizes. Up to 3200A accommodated within the same height and depth. All
utilize a double break contact system ensuring a fast interruption time of short circuit
currents and a high making capacity offering greater operator safety. With more than
20 design patents registered on the Z frame ACB, this range encompasses moderntechnology to control and protect your system.
Z frame is a comprehensive range of ACB's with associated accessories ideallysuited for any application where high fault level currents may be present. Thecompact design and innovative features present Z frame as one of the smallest and
most advanced ranges of ACB available.
Features
3 compact frame sizes
Small depth size 290mm
Identical height and depth up to 3200A
True RMS protection
High making capacity
Benefits
High stacking density in switchboards
Identical cut outs for panel mounting
Reduced switchboard size
Maximum operator safety
Applications
L.V. Transformer protection
L.V. Power distribution
L.V. Circuit protection
Approvals
IEC 60947-2
EN 60947-2
AS 3947-2
NEMA PUB No.SG3
ANSI C37.13
Contents Page No.
Loadline Z-Frame
International Compliance 1-2
Loadline Z-Frame - Over Current ReleaseLoadline Z-Frame Characteristics 3
OCR Characteristics 4
AGR11L - OCR Protective Functions 5
AGR21L - OCR Protective Functions 6
AGR22L - OCR Protective Functions 7
Loadline Z-Frame Catalogue Number Selection
Air Circuit Breaker Selection 8-9
Loadline Z-Frame Accessories
Accessories Factory Fitted 10-12
Accessories Factory Fitted Order Codes 13
Accessories Supplied Loose 14-17
Loadline Z-Frame Dimensions
Z2 Draw-out Type 18
Z2 Fixed Type 19
Z3 Draw-out Type 20
Z3 Fixed Type 21
Z4 Draw-out Type 22
Loadline Z-Frame Circuit Diagrams
AGR - 11L OCR fitted or without OCR 23
AGR - 21L or 22L OCR fitted 24
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Loadline Z-Frame International Compliance
1
1) Values in open air at 40c
2) Values of 800A ~ 1600A for draw-out type with horizontal terminals Values of 2000A ~ 4000A for draw-out type with verticalterminals
3) For 2 poles use both opposite ends poles of 3 poles ACBs
4) 4 poles ACBs without Neutral phase protection can not be applied to IT earthing systems.
5) Rated insulation voltage depends on applied standard: 1000V AC according to IEC 60947-2
6) Rated operational voltage depends on applied standard: 690V according to IEC 60947-27) Cannot apply IT earthing system, ie, insulated from earth.
8) For 500V AC.
9) Please contact Dorman Smith for DC application.
10) 3 poles in series should be applied for 600V DC.
11) For vertical terminals or horizontal terminals
Frame Z2 Z3 Z4
a
b
cd
a
b
c
d
Fixed Type
Draw-out
Type (11)
Rated Current (max) [In] (A) IEC, EN AS 800 1250 1600 2000 2500 3200 4000
(1) (2) NEMA, ANSI 800 1250 1540 2000 2500 3200 3700
Neutral Pole Amperes Frame (A) 800 1250 1600 2000 2500 3200 4000
Number of Poles (3) (4) 3 - 4 3 - 4 3 - 4 3 - 4 3 - 4 3 - 4 3 - 4
AC Rated Insulated Voltage [Ui](V.50/60Hz) (5) 1000 1000 1000 1000 1000 1000 1000
Rated Operational Voltage [Ue](V.50/60Hz) (6) 690 690 690 690 690 690 690
(AC Rated Breaking Cap [kA sym rms)/
MAKING CAP [kA peak]
IEC, EN, AS AC 690V (7) 50/105 50/105 50/105 50/105 65/143 65/143 75/165
[/cs = /cu] 440V 65/143 (8) 65/143 (8) 65/143 (8) 65/143 (8) 85/187 (8) 85/187 (8) 100/220 (8)
NEMA AC 600V 42/96.6 42/96.6 42.96.6 42/96.6 50/115 50/115 65/149.5
ANSI 480V 50/115 50/115 50/115 50/115 65/149.5 65/149.5 75/172.5
240V 65/149.5 65/149.5 65/149.5 65/149.5 85/195.5 85/195.5 100/230
(9) DC 600V (10) 40/40 40/40 40/40 40/40 40/40 40/40 40/40250V 40/40 40/40 40/40 40/40 40/40 40/40 40/40
Non Automatic Unit
Rated Impulse Withstand Voltage [Uimp] (kV) 12 12 12 12 12 12 12
Rated Short Time Withstand 1s 65 65 65 65 85 85 100
Current[/cw][kA rms] 3s 50 50 50 50 65 65 75
Latching Current (kA) 65 65 65 65 85 85 100
Total Breaking Time (s) 0.03 0.03 0.03 0.03 0.03 0.03 0.03
Closing Operation Time
Spring Charging Time (s) max. 10 10 10 10 10 10 10
Close Time (s) max. 0.08 0.08 0.08 0.08 0.08 0.08 0.08
Weight (kg) draw-out type 73 - 86 73 - 86 76 - 90 79 - 94 105 - 125 105 - 125 139 - 176
Outlined Dimensions (mm)
360 - 445 360 - 445 360 - 445 360 - 445 466 - 586 466 - 586 - -
460 460 460 460 460 460 - -
290 290 290 290 290 290 - -75 75 75 75 75 75 - -
354 - 439 354 - 439 354 - 439 354 - 439 460 - 580 460 - 580 631 - 801
460 460 460 460 460 460 460
345 345 345 345 345 345 345
40 40 40 40 40 40 53
800KA & 100KA Icu available end of 2003. Contact Dorman Smith for availability.
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Loadline Z-Frame International Compliance
2
Circuit Withstand Voltage (at 50/60Hz) Rated ImpulseWithstand Voltage U imp
Main Circuit
ControlCircu
its
Connecting Bar Sizes (mm)
Based Standards Ambient temp (C) 2x50x5 2x80x5 2x100x5 3x100x5 2x100x10 3x100x10 4x150x6
IEC60947-2 40 (Standard) 800 1250 1600 2000 2500 3200 4000
EN60947-2 45 800 1250 1600 2000 2500 3200 4000
AN3947.2 50 800 1250 1600 2000 2500 3200 4000
55 800 1250 1600 1820 2500 2990 4000
60 800 1250 1460 1740 2400 2850 3760
NEMA, SG-3 40 (Standard) 800 1250 1540 2000 2500 3200 3700
ANSI C37.13 45 800 1240 1470 1960 2500 3010 3580
50 800 1180 1390 1860 2440 2860 3470
55 800 1110 1310 1750 2300 2690 3350
60 800 1040 1230 1640 2150 2520 3150
Note: The values of 800A, 1250A & 1600A are for horizontal terminals on both line and load side.The values of 2000A, 2500A, 3200A & 4000A are for vertical terminals on both line and load side.
Above figures are subject to the design of the enclosure and rating of busbar.
Dielectric Strength
Derating
Between terminals AC3500V for 1 minute
terminal group to earth
Terminal group to earth AC2500V for 1 minute
Terminal group to earth AC2000V for 1 minute
Terminal group to earth AC2000V for 1 minute
Terminal group to earth AC2000V for 1 minute
Terminal group to earth AC2500V for 1 minute
Terminal group to earth AC2000V for 1 minuteOther Accessories
Note: The values shown above are those measured on phase connections and cannot be applied to control terminals on the ACB.
Auxiliary switches For general service
For microload
Position switches
Over-current release (OCR)
Power supply for undervoltage
12kV
6kV
4kV
4kV
4kV
6kV
4kV
Frame
Rated current (A) 800 1250 1600 2000 2500 3200 4000
DC internal resistance per pole (m!) 0.030 0.030 0.028 0.024 0.014 0.014 0.014
AC power consumption for 3 poles (W) 170 310 350 490 600 780 1060
Z4
Internal Resistance and Power Consumption
Z3Z2
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Loadline Z-Frame Characteristics
3
100 200 300 500 1000 2000 ; 6 graduations75 175 275 475 975 1975
170 270 370 570 1070 2070
Time-delay [time] (s) 0 - 0.1 - 0.2 - 0.3 - 0.4 - 0.5 - 0.6 - 0.7 - 0.8 - 1.0 ; 10 graduations
Power consumption: 5VA
AC100 - 120V DC100 - 125V DC24VAC200 - 240V DC200 - 250V DC48V
Pick-up voltage (V)
External Supply voltage
Note. Regd for AGR11L - AL, AGR11L - GL
[ICT]x(0.1 - 0.2 - 0.3 - 0.4 - 0.6 - 0.8 - 1.0 - NON) ; 8 graduations
UVT rated supply voltage [Uc]x(0.8 - 0.85 - 0.9 - 0.95) ;
4 graduations
Current setting tolerance (%)
Time-delay [tp1] (sResettable time (ms)
Max. total clearing time (ms)
+20%
OCR Control Voltage
GF
UVT
Common) Common) Common)
PTA Adjustable Pre-trip Alarm Characteristics
Adjustable Long Time-delay Trip Characteristics
Type AGR-11L, 21L, 22L
Protection Functions Setting Range
LT
ST
Pick-up current [ IR ] (A)
Pick-up current [Ii] (A)
Pick-up current [Isd] (A)
Time-delay [tR] (s)
Time-delay [tsd] (ms) Relay time
Resettable time (ms)
Max. total clearing time (ms)
Current setting tolerance (%)
Time -delay setting tolerance (0%)
[In]x(0.8 - 0.85 - 0.9 - 0.95 - 1.0 - NON) ; 6 graduations
Non tripping when load current < ([IR]x1.05).
Tripping when ([IR]x1.05)< load current< ([IR]x1.2)
[In]x(1 - 1.5 - 2 - 2.5 - 3 - 4 - 6 - 8 - 10 NON) ; 10 graduations
+15%
50 100 200 400 600 800 ; 6 graduations
25 75 175 375 575 775
120 170 270 470 670 870
(0.5 - 1.25 - 2.5 - 5 - 10 - 15 - 20 - 25 - 30) at 600% of [ IR]; 9 graduations
+15% + 150ms - 0ms
Adjustable Short Time-delay Trip Characteristics
Tripping at 600% of [In] with LT time-delay [tR]
INST
MCRAdjustable Instantaneous Trip Characteristics
[In]x(2 - 4 - 6 - 8 - 10 - 12 - 14 - 16 - NON) ; 9 graduations
Time-delay [tp1] (s) (5 - 10 - 15 - 20 - 40 - 60 - 80 - 120 - 160 - 200) at [IP1 or more ;
10 graduations
Time-delay setting tolerance (%) +15% + 100ms - 0ms
Current setting tolerance (%) +20%
Pick-up current [Ip1] (A) [In]x(0.75 - 0.8 - 0.85 - 0.9 - 0.95 - 1.0) ; 6 graduations
Pick-up current [Ig] (A)
Current setting tolerance (%) +7.5%
Current setting tolerance (%)
Time-delay [tp1] (s)
+15% +150ms - 0ms
N-phase Protection CharacteristicsNP
[ICT]x(0.4 - 0.5 - 0.63 - 0.8 - 1.0); Factory set to a user-specified value
Non tripping when load current < ([IR]x1.05).
Tripping when ([IR]x1.05)< load current< ([IR]x1.2)
Key _ : Default Setting
Undervoltage Trip Characteristics (AGR -21,22 only)
Adjustable Ground Fault Trip Characteristics Note; Set [Ig] to 1200A or less
Pick-up current [Ig] (A)
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Loadline Z-Frame OCR Characteristics
4
LT - Overload Protection
Adjustable from 40 - 100% of rated current incorporating true r.m.s. detection.Microprocessor controlled devices eliminate nuisance tripping by responding tothe true r.m.s. value of the waveform. Neutral protection for all Triple-N harmonics,such as 3rd, 9th and 15th, and also a thermal memory as standard.
ST - Short Time
Adjustable in current and time the current can be set so discrimination is achievedwith the down stream device. There is also a ramp selector switch to reduce theangle of the curve from a right angle to a 45 angle allowing better discrimination.The time setting enhances this by allowing the down stream device time to clear thefault before the ACB trips.
INST - Instantaneous Trip
Adjustable from 2 X In upto 16 X In or none. This setting protects from short circuitcurrents on the system, detects and executes the tripping in a short time less than0.02 seconds.
NP - N-phase Protection Function (Optional)
In a 3-phase, 4-wire system with some harmonic distortion, the 3rd harmonic maycause a large current flow through the neutral conductor. The N-phase protectionfunction prevents the neutral conductor from sustaining damage or burnout due to alarge N-phase 3rd harmonic current.
GF - Ground Fault Protection
Restricted and unrestricted ground fault protection is available on the same relay asa special specification. There is no need to use a separate relay with LoadlineZ-frame ACB, thus saving panel space and cost. Furthermore, fewer CTs and busbarconnections are required which reduces heat and power consumption.
NB. Neutral CT supplied, loose with all 3 pole ACBs.
UVT - Integral Under Volt Trip Function (Adjustable)
With adjustable voltage pick up and adjustable time delay. This provides fine tuningof voltage trip levels. (AGR-21, 22 only).
LT Characteristic
ST Characteristic
INST Characteristic
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Loadline Z-Frame OCR Characteristics
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AGR11L - Protective FunctionsThis unit provides an adjustable time delay on overload (L) and also the I2t rampcharacteristics (S) As shown, these are essential to provide selectivity when gradingwith other protective devices such as downstream fuses and upstream relays.
The standard LSI curve provides more than five million combinations of uniquetime current characteristics. Zone selective interlocking is available to provide zero
time delay selectivity.
LT - Adjustable Long
Time-delay Trip
FunctionRMS sensing is used toaccurately read throughdistorted waveforms.
HOT start mode
HOT or COLD start mode is
user-selectable. In HOT startmode, the OCR operatesfaster than in COLD startmode in response to anoverload. The HOT start modegives protection, takingaccount of the behaviour ofloads under heat stress.
Characteristics shown are withRamp (I2t Sw) in off position.
Settings Shown
LT 100%ST 400%INST 1000%
1
1
2
2
3
3
4
5
4 5
Optional
q - When the OCR is set to start operation
at 50% of the rated current, its operating
time in HOT start mode is approx. 80% ofthat in COLD start mode.
w - When the OCR is set to start
operation at 75% of the rated current,its operating time in HOT start mode is
approx. 60% of that in COLD start mode.
e - When the OCR is set to start operationat 100% of the rated current, its operatingtime in HOT start mode is approx. 20% of
that in COLD start mode.
Operatingtime
HOT start mode
COLD start curve
HOT startcurves
Current
q
w
e}
RampCharacteristic Curve
(L characteristic)
Operatingtime
Current
2.5
/sd
tsd0.1
200% 1000%
ST - Adjustable Short Time-delay Trip Function
The ST delay trip function has a definite time delay characteristic and a rampcharacteristic. These characteristics are switch-selectable. The ramp characteristicprovides close selectivity with down stream circuit breakers or fuses. The AGR21Lcomes in to operation with the definite time characteristic when the load current
reaches 1000% or more of the rated current [In]. The ST trip function is factory set tothe definite time characteristic.
INST/MCR - Adjustable Instantaneous Trip FunctionThe INST trip function trips the ACB when the short circuit current exceeds thepickup current setting, irrespective of the state of the ACB. The making currentrelease (MCR) trips the ACB when the short circuit current exceeds the pickupcurrent setting during closing operation. After the ACB is closed, the MCR is lockedand kept inoperative. The INST and MCR are switch-selectable.
(Note) The MCR needs the control power. If the control power is lost, the MCRprovides the INST trip function only.
As Described on page 6. Available for AGR11L
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PTA - Adjustable Pre-trip Alarm FunctionThe pre-trip alarm function provides an alarm signal via the alarm contact(1A-contact) when the load current exceeding a predetermined value lasts for a predetermined time. The pre-trip alarm is automatically reset when the load currentdrops to the predetermined value. Note that this function needs the control power.
UVT - Adjustable Integral Undervoltage Trip Function(For AGR21 and AGR22 only)
The application rated voltages are AC100 - 120V, AC200 - 240V, and AC380 - 460VThe UVT function trips the ACB when the UVT control voltage drops to a value equal
to 65% of the rated value. Operating time can be set in ten levels: instantaneousthrough to 1 second. The ACB can be closed 2 seconds after the UVT control voltagehas returned to the pick-up voltage. Phase failure protection is available byconnecting R,S and T-phase (See page 24). The UVT function comes with LED andcontact output operation indications. The UVT function trips the ACB when anysingle phase is lost.
NP - N-phase Protection Function (optional)This NP function is available on 4-pole ACBs and prevents the neutral conductorfrom suffering damage or burnout due to overcurrent. The NP trip pickup currentcan be set between 40% and 100% of the OCR rated primary current. It is factory setto 0.4 IcT or a value specified at the time of ordering.*
The NP trip function comes usually with operation indications (LED and contact
output). The NP trip pickup current setting is shared by the LT trip function.The HOT start mode is available. The operating time for the NP trip function is linkedto that for the LT trip function.
As AGR11L
1
1 2 3
2
3
4
4
5
5
6
6
GF - Ground FaultTrip FunctionThe peak value sensing is used(the residual current of eachphase is detected). The GFpickup current can be setbetween 10% and 100% of the
CT rated primary current [ICT].[Ramp characteristic is added]The ramp and definite timecharacteristics are switchselectable. The GF trip functioncomes in operation with thedefinite time characteristicswhen the load current reaches
100% or more of the CT ratedprimary current [ICT]. TheGF trip function is factory set tothe definite time characteristics.When using a 3-pole ACB in a3-phase, 4-wire system, be sureto use the supplied CT forneutral lineNote 1: The G trip functioncomes usually with operationindications (LED and contactoutput). Ground fault indicationwithout a ground fault trippingoperation, is available.*
AGR21L - Protective Functions
Loadline Z-Frame OCR Characteristics
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As AGR21L with LCD Display & Communications
Data Measuring and Output FunctionIn some cases it may not be cost effective to upgrade to a digital network so thetraditional analogue 4mA - 20mA signal is supported. The function measures phasecurrents, line voltages (or phase voltages), electric power, and electric energy.
Monitoring Various Data on L.C.D. DisplayType AGR-22 OCR can monitor phase currents, line voltages (or phase voltages),power, energy, power factor, frequency, etc. on the L.C.D. display.
Communication Function (optional)This function supports the LonTalk protocol and enables transmission of variousdata via LonWorks networks.
Energy Measurement
A,V, kW, MWh, kvar, cos, frequency
Intelligent Fault Analysis
Status, fault type, fault size, tripping time, fault history
Maintenance Information
Trip circuit supervision, protection relay supervision, contact wear indication,contact temperature measurement. The communication system uses LonWorks
network of Echelon Corporation, however other protocols can be supported.
Loadline Z-Frame OCR Characteristics
AGR22L - Protective Functions
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Loadline Z-Frame Catalogue Number Selection
8
How To Select The Loadline Z-Frame Air Circuit Breaker
Items Supplied as
Standard on all ACBs
1) IP31 Door Flange
2) 4 No AB AuxiliarySwitches
3) Mechanical indication ofspring status
4) Mechanical open andclose buttons andindicators
5) Open and close buttonpadlock facility
6) Test report for ACB &OCR (when fitted)
7) Operation manual
Items Supplied with
Draw out ACB
1) Draw out handle
2) Draw out portionindication
3) Draw out portionposition padlockfacility
4) Fixed portion mainsafety shuttles
padlockable
5) Fixed portioncontrol circuitssocket shutters
Factory Fitted Accessories
1) Castell/cylinder lock/padlockfacility
2) Shunt trip
3) UVR fixed type (for OCR type11L or Non Auto)
4) Aux switches
5) Position switches (drawoutonly)
6) Mechanical Interlocks
7) Spring charged indicator switch
8) Auto spring discharge device(draw out only)
9) Remotely tripped indicatorcontact (for information oftripping by external means)
Note 1
Trip Indicator contacts only
Note 2
Long time trip contactShort/INST trip contactPretrip alarm contact groundfault trip contact systemalarm contact (selfdiagnostic)
Note 3
As Note 2 plus UVT tripcontact Spring chargeindicator contact
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Loadline Z-Frame Catalogue Number Selection
9
Technical Key
Chosen
Product Code
Resulting
Code
Z2
Z2D
Z2D3
Z2D3J
Z2D3J16
Z2D3J16H
Z2D3J16H0
Z2D3J16H0A
Z2D3J16H0AD
Z2D3J16H0ADA
Frame Size
D = DrawoutF = Fixed
3 = 3 Poles
4 = 4 Poles
Breaking Capacity
J = 60 - 65kA
K = 80 - 85kA
L = 100kA
08 = 800A 20 = 2000A12 = 1250A 25 = 2500A16 = 1600A 32 = 3200A40 = 4000A
Terminal Type
H - Horizontal, V = Vertical, F = Front
For Combinations contactDorman Smith Switchgear
OCR Type
A = 11L, B = 21L, C = 22L, D = NO OCR
OCR Control VoltageA = 100 - 120Vac & 200 - 240Vac, B = 100 - 125vDC & 200 - 250Vdc,C = 24Vdc & 48Vdc
OCR Functions
Order Type LT ST INST/ PTA GF UVT NP
Code MCR
A AL
B GL
C PS
D PG
E PGU
F AL + NP
G GL + NP
H PS + NP
J PG + NP
K PGU + NP
Charging Type
See Table
Order OCR TypeCode 11L - Non Auto 21L - 22L
0 Manual Manual1 240v ac 200-240v ac2 220v ac NA
3 200v ac NA
4 120v ac 100-120v ac5 110v ac NA
6 100v ac NA
7 24v dc 24v dc
8 48v dc 48v dc
9 100v dc NA
10 110v dc NA
11 125v dc 100-125v dc
12 200v dc NA
13 220v dc NA
14 NA 200-250v dc
10) Control circuits terminal cover
11) IP55 cover
12) OCR checker
13) Motor Step-Down Transformer(220Vac motor to be specified)
14) Capacitor Trip Device
(48Vdc shunt trip to be specified)
15) Mechanical Interlock Cables
Loosegear Accessories
1) Shutter padlocking device (pair)
2) Fixing bolts (drawout only)
3) Mal insertion device (drawout only)
4) Test jumper cable 5 meters
5) ACB Lifter
6) Spare drawout handle
7) Terminal Barrier
8) Cycle counter
9) Lifting plates
Current
Rating
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Loadline Z-Frame Accessories - Factory Fitted
Locking DeviceCastell Lock
Key released when ACB locked in off position.
Cylinder Lock
Key released when ACB locked in off position.
Padlockable Devices
Padlock fitted with ACB in off position
Keylock
Order
Code
Order
Code
Rated
Voltage (V)
Operational
Voltage (V)
Peak
Excitation
Current (A)
Steady-state
Current (A)
Open Time
(max.)
(ms)
Description
0
1
2
3
4
8
9
Not Fitted
Castell Ref DS1 Fitted
Castell Ref DS2 Fitted
Castell Ref DS3 Fitted
Castell Provision only for FS2 type (with angular movement 90 clockwise to trap key)
Cylinder Lock
Padlockable Device
Continuously-rated Shunt Trip DeviceThe continuous-rated shunt trip device allows the ACB to be opened when anexternal protection relay against overcurrent or reverse power is activated. Becauseof its continuous rating, the device can be used to provide an electrical interlock tothe ACB. When an AGR-11L OCR is fitted or no OCR is fitted, continuously ratedshunt trip and fixed type undervoltage trip can not be fitted to the same ACB.
Note: For Time Delay Shunt Trip contact Dorman Smith for details
0 Not Fitted
1 AC240 AC168-264 0.18 0.12 40
2 AC220 AC154-242 0.19 0.13 403 AC200 AC140-220 0.24 0.16 40
4 AC120 AC84-132 0.37 0.24 40
5 AC110 AC77-121 0.39 0.26 40
6 AC100 AC70-110 0.48 0.32 40
7 DC24 DC16.8-26.4 1.65 1.1 40
8 DC48 DC33.6-52.8 0.86 0.57 40
Undervoltage Trip For AGR-11L or Without OCRThe undervoltage trip (UVT) automatically trips the ACB when the control powervoltage drops below a pre-determined value. When the control voltage is restored toa value equal to or greater than the pick-up value, the ACB can be closed.
The UVT consists of a tripping mechanism fitted internally to the ACB and a tripcontrol unit supplied with a 2 metre lead for mounting external to the ACB.
The UVT is an instantaneous Trip Type. A Timed Delay version is available.Contact Dorman Smith Switchgear for details.
Remote opening of the circuit breaker by the UVT is possible by connection of a
normally open push button across terminals 24 and 30 .
Note: Shunt Trip and UVT cannot be fitted on same ACB
Order Rated Control Opening Pick-up Coil Excitation Power ConsumptionCode Voltage (V) Voltage (V) Voltage (V) Current (A) Normal Reset
0 Not Fitted
1 AC240 84-168 204 0.3 30 50
2 AC220 77-154 187 0.3 30 50
3 AC 200 70-140 170 0.3 30 50
4 AC 120 42-84 102 0.3 30 50
5 AC 110 38.5-77 93.5 0.3 30 50
6 AC 100 35-70 85 0.3 30 507 AC 440 154-308 374 0.3 30 50
8 AC 415 145-290 352 0.3 30 50
9 AC 380 133-266 323 0.3 30 50
232mm
140m
m
81mm
UVT Control Unit
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Loadline Z-Frame Accessories - Factory Fitted
11
Auxiliary SwitchesAll auxiliary switches are change over single gap contacts rated at 5A for generaluse. Microload type for electronic circuits are available as an option.
The auxiliary switches in a fixed type ACB operate during the breakers ON/OFFoperation. The draw out type have the Auxiliary contacts operating in the
CONNECTED and TEST positions.
Auxiliary Switch
0 = Supplied as standard 4 - 4
1 7 - 7
2 10 - 10
3 4 3* 7
4 7 3* 10
Category For General Service Microload
Voltage Resistive Inductive AC: cos > 0.3 Resistive Inductive AC: cos > 0.6 min. applicable
load (A) load (A) DC: L/R < 0.01 load (A) load (A) DC: L/R < 0.007 load
AC100-250V 5 5 0.1 0.1AC251-500V 5 5 - -
DC30V1 1 0.1 0.1
DC125-250V 1 1 - -
Order Code Standard Contact
5A
Microload0.1A
Total Contacts
DC5V 1mA
Position SwitchesThe position switches operate to give indication of breaker positions: CONNECTED,TEST, ISOLATED, and INSERT.
There are two contact arrangements: 2c and 4c.
Connections to the switches are made via screw terminals.
The following table lists the available types of switches.
OrderCode Insert Isolated Test ConnType Number ofContacts Contact Arrangement
0 Nothing Fitted
1 ALR-0101P 2 c 0 1 0 1
2 ALR1111P 1 1 1 1
3 ALR-0211P 4c 0 2 1 1
4 ALR-0112P 0 1 1 2
5 ALR-0202P 0 2 0 2
Voltage
AC 100-250V
DC 250V
DC 125V
DC 30V
DC8V
Resistive Load (A)
11
0.3
0.6
6
10
Inductive Load (A)
(COS = 0.6, L/R = 0 07)
6
0.3
0.6
5
6
Position Switch Operation Sequence
Position Switch Ratings
CONNECTED
position switch
TEST
position switch
ISOLATED
position switch
INSERT
position switch
ISOLATED TEST CONNECTED
a- contact ON
a- contact ON
a- contact ON
a- contact ON
Inset position means the breaker is in any position between isolated andconnected
* Suitable for electronic circuits
Trip Indication SwitchThis switch indicates when the breaker has been tripped from a source other thanthe OCR unit.
Order Code
0 = None
1 = Fitted
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Loadline Z-Frame Accessories - Factory Fitted
Mechanical Interlock Horizontal TypeThe mechanical interlock uses a cable system to provide a positive interlock betweentwo or three ACBs. In conjunction with an electrical interlock, it will enhance safetyand reliability of power distribution systems.Interlocking is possible between any frame size within the Dorman Smith FrameRange.
Vertical TypeMinimum pitch (550mm) is possible.
Contact Dorman Smith for the details of vertical type.
Auto Spring Discharge DeviceThis device allows the charged springs to be automatically released when the ACB isdrawn out from the isolated position to the removed position.
Order code: 0 = None 1 = Fitted
Spring Charge Indicator SwitchThe switch can be used to indicate that the closing springs have been fully charged.
Order code: 0 = None 1 = Fitted
With AGR-11L OCR or without OCR
Mechanical Interlock
Mechanism Type
Type A Configuration
Any one breaker can be closed outof three. Each breaker to be orderedseparately with appropriate mech type.
Example:-
Breaker reference Mains 1 requiresmech type.
Breaker reference Mains 2 requiresmech type.
Breaker reference Generator requiresmech type.
Type B Configuration
Any two breakers can be closed out
of three.
Type C Configuration
Any one breaker can be closed out
of two.
Order Codes
0 = None
1 = Mechanism Type
2 = Mechanism Type
4 = Mechanism Type
Cable pairs to be ordered separately
see page 17
Type A
Configuration
Type B
Configuration
Type C
Configuration
AC
DC
6
0.1
0.5
3
Inductive Load
3
0.1
0.5
2
Voltage(V)
AC
DC
Resistive Load
0.5
0.27
0.5
2
Inductive Load
0.2
0.04
0.2
0.7
250 250
125 30
250 250
125 30
With AGR-21 or AGR-22 OCR
Voltage
(V)
Switch Contact Ratings (A)
Switch Contact Ratings (A)
Resistive Load
1
1
2
1 1
3 3 3
1 2 1
1
2
3
Mains 1 Mains 2 Generator
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Loadline Z-Frame Accessories - Factory Fitted Order Codes
13
How to Select Factory Fitted AccessoriesCatalogue No. Example:- Z2D3J16HOADA fitted with :-
DS1 Castell Lock, 120Vac shunt trip, 10c Auxiliary Switches, 1111 Position Switches = Z2D3J16HOADA14022
Order Code
Order Code
Order Code
Order Code
Order Code
Position Switches
DS 1
CastellFitted
DS 2
CastellFitted
DS 3
CastellFitted
Castell
Provision
Cylinder
Lock Off
Padlock
OffNone Spare
None240V
AC
220V
AC
200V
AC
120V
AC
110V
AC
100V
AC
24V
DC
48V
DC
None
None
None 0101 0211 01121111 0202
7c SW's 10c SW's 4c SW's+3c (microload) 7c SW's+3c (microload)
240V
AC
220V
AC
200V
AC
120V
AC
110V
AC
100V
AC
440V
AC
380V
AC
415V
AC
None Fitted
None Fitted
None Fitted
1
0
0
0
MechanicalInterlock
0
None
0
Interlock Mechanism
Type 1
1
0 1
0 1
0 1
Interlock Mechanism
Type 2
2
Interlock Mechanism
Type 3
3
1 2 3 4 5
1 2 3 4
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8
2 3 4 5 6 7
Shunt Trip
Auxiliary Switches
Order Code
Spring ChargeIndicating Switch
Auto SpringDischarge Device
Remotely TrippedIndicator Contact
Order Code
Order Code
Locks
Order Code
UVT for OCR 11L& None Auto
Catalogue No. Example:- Z2D3J16HOADA14022
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Loadline Z-Frame Accessories - Supplied Loose
14
Shutter Padlocking Device
Fixing Bolts
Mal-Insertion Prevention Device
Test Jumper Cable
Shutter Padlocking Device
The main circuit safety shutters automatically conceal the main circuit contacts onthe draw-out cradle when the ACB is drawn out.
The top and bottom shutters operate independently and can be separately padlockedin the closed position.
Up to three padlocks (with 6 hasp) can be installed on each side using padlocking
unit. (Padlock not supplied)
In the closed position, the shutters are locked to the extent that they cannot be easilyunlocked by hand. They can be unlocked and held open if required for the purposeof inspection or maintenance.
Description: Catalogue Number:
Z2 & Z3 Frames Z23DSPD
Z4 Frame Z4DSPD
Fixing BoltsThe breaker fixing bolts hold the breaker body securely to the draw-out cradle inposition. Use them if the ACB is subject to strong vibration.
Catalogue Number:
ZDFB
Mal-Insertion Prevention DeviceInterchangeability exists within the Z frame range of ACBs. Because of this feature,there is a possibility for an ACB of a different specification being placed into thedraw-out cradle. Using the mal-insertion prevention device eliminates such apossibility.
This device is capable of distinguishing nine different breaker bodies.
Catalogue Number:
ZDMID
Test Jumper CableThe test jumper is a plug-in type, and allows ON-OFF tests on all the Z frame rangeof ACBs with the breaker body drawn out from the draw-out cradle.
The standard jumper cable is 5m long.
Catalogue Number:
ZDTJC
Spare Drawout Handle
Cranked handle for withdrawing moving chassis from fixed portion. Stowaway
handle for withdrawing moving chassis can be stored within moving chassis .
Description: Catalogue Number:
Cranked Handle ZDH
Stowaway Handle ZDHS
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Control Circuit Terminal Cover
Loadline Z-Frame Accessories - Supplied Loose
15
Terminal BarrierAn inter-pole terminal barrier prevents a possible short-circuit due to foreign objectsentering between the poles of the main circuit terminals or between the line andload ends, thus enhancing operational reliability of the ACB.
This barrier cannot be applied to ACBs that are supplied with front connections.
Description: Catalogue Numbers:Z2 Frame, 3 Pole Z2D3TB
Z3 Frame, 3 Pole Z3D3TB
Z4 Frame, 3 Pole Z4D3TB
Z2 Frame, 4 Pole Z2D4TB
Z3 Frame, 4 Pole Z3D4TB
Z4 Frame, 4 Pole Z4D4TB
Control Circuit Terminal CoverA control circuit terminal cover protects the terminal blocks for auxiliary switches,position switches, and control circuits from being accidentally touched, thusenhancing safety.
Description: Catalogue Numbers:
Z2 Frame, 3 Pole Z2D3CCTC
Z3 Frame, 3 Pole Z3D3CCTC
Z4 Frame, 3 Pole Z4D3CCTC
Z2 Frame, 4 Pole Z2D4CCTC
Z3 Frame, 4 Pole Z3D4CCTC
Z4 Frame, 4 Pole Z4D4CCTC
Cycle CounterThe ON-OFF cycle counter is a mechanical 5-digit readout that shows the number ofON-OFF cycles of the ACB.
Counter readings serve as a guide for maintenance or inspection.
Catalogue Number:
ZCC
Lifting PlatesLifting plates are detachable tools that can be used to lift a breaker body out of adraw-out cradle.
Catalogue Number:
ZLPLTS
ACB LifterA special lifter is available to allow easy and safe transportation or installation of theACB. A drop prevention mechanism is standard.
Description: Catalogue Number:
Z2 and Z3 Frame Z23DLIFT
Z4 Frame Z4DLIFT
Terminal Barrier
Cycle Counter
Lifting Plates
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Loadline Z-Frame Accessories - Supplied Loose
16
IP55 CoverAn IP cover provides an IP55 grade of protection as defined in IEC 60529. Even if thebreaker body is on the ISOLATED position, IP cover can still be fitted on the ACB.
Catalogue Number:
ZIP55
OCR CheckerThe OCR checker allows easy checking of the long time-delay trip, short time-delaytrip, instantaneous trip, and ground fault trip functions and the pre-trip alarmfunction of the OCR in the field.
Ratings and Specification
Power Supply AC100/110V, 50/60Hz or 4 x AA alkaline cells
Power Consumption 3W
Dimensions 101 (w) x 195 (h) x 44 (d) mm
Weight 400g
Catalogue Number:
ZOCRC
Motor Step-Down TransformerThe maximum rated control voltage applicable to the operation power supply isAC240V. If higher voltages required, a step-down transformer is needed. Thefollowing step-down transformers are available as options. (22Vac motor to bespecified)
Rated Control Transformer
Voltage Type Capacity Voltage Ratio
AC410-470V TSE-30M 300VA 450/220V
AC350-395V TSE-30M 300VA 380/220V
Description: Catalogue Number:
450V/220V ZMT4522A
380V/220V ZMT3822A
Capacitor Trip DeviceIn conjunction with the continuously-rated shunt trip device, the capacitor trip devicecan be used to trip the ACB within a limited period of 30 seconds if large voltagedrop occurs due to a ac power failure or short-circuit.
When the continuously-rated shunt trip is used with the capacitor trip device, acontact of auxiliary switch of ACB should be inserted in series. Otherwise, theinternal resistor may be damaged.
When ordering the capacitor trip device a 48V dc shunt trip is required to be orderedseparately.
Ratings and Specification
Type AQR-1
Rated Voltage AC100-120V
Operational Voltage Rated Voltage x 70 to 110%
Rated Frequency 50/60Hz
Rated Voltage of Shunt Trip Used DC48V
Power Consumption 100VA
Catalogue Number:
ZSTCD
IP55 Cover
OCR Checker
Control Circuit
Outline Dimensions
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Loadline Z-Frame Accessories - Supplied Loose
17
Mechanical Interlock CablesUsed in conjunction with Horizontal Interlocking Mechanism.
Pitch X or Y Cable Length Catalogue Numbers:
500 or 600 1120mm (PAIR) ZMECHHC1120
700 1220mm (PAIR) ZMECHHC1220
800 1320mm (PAIR) ZMECHHC1320900 1420mm (PAIR) ZMECHHC1420
1000 1520mm (PAIR) ZMECHHC1520
1100 or 1200 1620mm (PAIR) ZMECHHC1620
1720mm (PAIR) ZMECHHC1720
1920mm (PAIR) ZMECHHC1920
2120mm (PAIR) ZMECHHC2120
2320mm (PAIR) ZMECHHC2320
2520mm (PAIR) ZMECHHC2520
2720mm (PAIR) ZMECHHC2720
Length of Cable Z = (Cable length for pitch X) + Ymm
e.g. If X = 800mm and Y = 600mm
Cable Z = (1320mm) + 600mm = 1920mm cable length.
Current Transformer for NeutralCatalogue Numbers: Supplied as standard with all 3 pole ACBs with Ground FaultOCRs
When using a 3-pole ACB with the ground fault protection function to protect a3-phase, 4-wire system against ground fault, this current transformer (CT) should befitted to the neutral line of the system. This CT is supplied as standard with all 3 poleACBs with Ground Fault OCRs.
Outline dimension of CT for neutral line
Z2 Frame, 800A
1250A
1600A
Z3 Frame, 2000A
2500A
3200A
Z4 Frame, 4000A
Type CW80-40LS
Rated 200 1250
Primary 400 1600Current (A) 800
Rated secondary current is 5A
Type EC160-40LS
Rated 1600 3200
Primary 2000 4000Current (A) 2500Rated secondary current is 5A
Mechanical Interlock Cables
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Loadline Z-Frame Dimensions
18
1: UVT controller is required when fixed type undervoltage trip is fitted with
AGR-11L OCR or without OCR.
2: Conductors including connecting bolts should be separated min-7mm from
Draw-out arm.
N represents the neutral pole of 4-pole ACBs.
Terminal Size
Type t1 t2 t3 W
800A 10 10 15 17.5
1250A 10 10 15 17.5
1600A 20 15 25 22.52000A 20 15 25 ----
Z2 Draw-out Type
UVT Controller
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UVT Controller
Loadline Z-Frame Dimensions
19
UVT controller is required when fixed type undervoltage trip is fitted with
AGR-11L OCR or without OCR.
N represents the neutral pole of 4-pole ACBs.
Terminal Size
Type t1 t2 t3 W
800A 10 10 15 17.5
1250A 10 10 15 17.5
1600A 20 15 25 22.52000A 20 15 25 ----
Z2 Fixed Type
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Loadline Z-Frame Dimensions
20
UVT controller is required when fixed type undervoltage trip is fitted with
AGR-11L OCR or without OCR.
Conductors including connecting bolts should be separated min-7mm from
Draw-out arm.
N represents the neutral pole of 4-pole ACBs.
Z3 Draw-out Type
UVT Controller
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Loadline Z-Frame Dimensions
21
UVT controller is required when fixed type undervoltage trip is fitted with
AGR-11L OCR or without OCR.
Conductors including connecting bolts should be separated min-7mm from
Draw-out arm.
N represents the neutral pole of 4-pole ACBs.
Z3 Fixed Type
UVT Controller
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Loadline Z-Frame Dimensions
22
UVT controller is required when fixed type undervoltage trip is fitted with
AGR-11L OCR or without OCR.
Conductors including connecting bolts should be separated min-7mm from
Draw-out arm.
N represents the neutral pole of 4-pole ACBs.
Z4 Draw-out Type
UVT Controller
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Loadline Z-Frame Circuit Diagrams
23
1: Do not connect b contact ofauxiliary switch to ON switch inseries, otherwise, pumping
may occur.
2: Use a contact of auxiliary switchof ACB.
Symbols for Accessories
01 21 Control power supply AC200 - 240V, DC200 - 250V DC48V01 11 Control power supply AC100 -120V11 21 Control power supply DC100 - 125V, DC24V02 22 Operation power supply AC100 - 240V, DC100 - 220V, DC24V, DC48V12 Operation switch, common 03 ON switch05 Operation indication terminal, common15 LT trip indication or single-contact indication 25 ST/INST trip indication06 PTA indication 16 GF trip indication 26 System Alarm indication17 Trip indication 27 Spring charge indicator10 20 Continuously-rated shunt trip 19 Separate CT for neutral line (k)29 Separate CT for neutral line ( )08 18 28 UVT power supply 109 UVT power supply common
Term No. AC100V AC200V AC400V
coil coil coil
08 - 09 100V 200V 380V
18 - 09 110V 220V 415V
28 - 09 120V 240V 440V
For single-contact indication only 05 and 15
Designation of Terminals for Auxiliary and Position Switches
With AGR-11L OCR or without OCR
CT1 - CT3 : Power CTs
S1 - S3 : Current sensors
M : Charging motor
LRC : Latch release coil
MHT : Magnetic hold trigger
Isolating terminal connector
(for draw-out type)
Manual connector
User wiring
Relay or Indicator
1: Common, 2:b-contact,
4:a contact
1: Auxiliary switch
2: Position switch (for CONNECTED)
3: Position switch (for TESTED)
4: Position switch (for ISOLATED)
5: Position switch (for INSERT)
1-0: Switch numbers
A,B,C: Auxiliary switches
for microload(
* * *CONNECTED positions: 121-124 ON
121-122 OFF
TEST positions: 131-134 ON
131-132 OFF
ISOLATED positions: 141-144 ON
141-142 OFF
INSERT position: 151-154 ON
151-152 OFF
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01 21 Control power supply AC200 - 240V, DC200 - 250V DC48V
01 11 Control power supply AC100 -120V11 21 Control power supply DC100 - 125V, DC24V02 22 Operation power supply AC100 - 240V, DC100 - 250V, DC24V, DC48V12 Operation switch, common 03 ON switch 1 13 OFF switch 123 Reset switch 1 13 Operation switch for signal separation 214 Operation switch for signal separation 205 Operation indication terminal, common15 LT trip indication or single-contact indication 25 ST/INST trip indication06 PTA indication 16 GF, trip indication 26 System Alarm indication07 Heat indication 17 UVT indication 3 27 Spring charge indicator08 18 28 UVT power supply R.S.T. (Max. AC460V)
09 N-phase voltage detection 19 Separate CT for neutral line (k)29 Separate CT for neutral line (e) 10 20 Continuously-rated shunt trip30
__
08 18 28
R-Phase S-Phase
Designation of Terminals for Auxiliary and Position Switches
1: Common, 2:b-contact,
4:a contact
1: Auxiliary switch
2: Position switch (for CONNECTED)
3: Position switch (for TESTED)
4: Position switch (for ISOLATED)
5: Position switch (for INSERT)
1-0: Switch numbers
A,B,C: Auxiliary switches
for microload
1: Operate input signal is rated at
40V 5mA.
2: Used for separation of operationinput signals.
3: Can be used for trip indicator inplace of UVT indication.
4: For AGR-22L OCR connect themeasured power source to theterminals, 08,18 , 28.
In case of no reverse power tripfunction with AGR-21L OCR, UVTcan be used with single phasepower supply as right.
Symbols for Accessories
CT1 - CT3 : Power CTs
S1 - S3 : Current sensors
M : Charging motor
LRC : Latch release coil
TC : Tripping coil
Isolating terminal connector
(for draw-out type)
Manual connectorUser wiring
Relay or Indicator
(
* * *CONNECTED positions: 121-124 ON
121-122 OFF
TEST positions: 131-134 ON
131-132 OFF
ISOLATED positions: 141-144 ON
141-142 OFF
INSERT position: 151-154 ON
151-152 OFF
Loadline Z-Frame Circuit Diagrams
With AGR-21L, 22L OCR
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TycoElectronicsDOS-EPP-ZFRAME-09/03
Energy Division a pioneer in the development of economical solutions for
the electrical power industry. Our product range includes: Cable accessories,
connectors & fittings, electrical equipment, instruments, lighting, insulators &
insulation enhancement and surge arresters.
For more information and your country contact person, please visit us at:
All of the above information, including drawings, illustrations and graphic designs, reflects our present understanding and is to the best of our knowledge and belief correct and reliable.Users, however, should independently evaluate the suitability of each product for the desired application. Under no circumstances does this constitute an assurance of any particularquality or performance. Such an assurance is only provided in the context of our product specifications or explicit contractual arrangements. Our liability for these products is set forthin our standard terms and conditions of sale. ALR, AMP, AXICOM, B&H, BOWTHORPE EMP, CROMPTON INSTRUMENTS, DORMAN SMITH, DULMISON, GURO, HELLSTERN,LA PRAIRIE, MORLYNN, RAYCHEM, and SIMEL are trademarks.