CD System (25 A - 40 A) - Home - Hem - Siemens i Sverige ... more accurate centring, the CD-GP...

Siemens LV 70 · 2004

3/2 System overview

3/4 Description

3/6 Engineering

Selection and ordering data3/14 Trunking units3/14 Feeder units3/16 Tap-off plugs3/18 Accessories

3/20 Technical data

Dimension drawings3/22 Trunking units, feeder units,

tap-off plugs3/23 Accessories

CD System (25 A - 40 A)

System Overview

Siemens LV 70 · 20043/2


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4

3

2

1

5 4

4

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System Overview

Siemens LV 70 · 2004 3/3


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1 Trunking units3-, 4-, 5-conductor systemDegree of protection IP54Tap-offs on one side:2 or 3 tap-off points at 1 m intervals,5 tap-off points at 0.5 m intervalsTap-offs on both sides:2, 3 or 5 tap-off points at intervals of 0.5 or 1 m2 m and 3 m lengthsPlug-in connectionTap-off points can be coded

a /14

2 Feeder unitsEntry feeder unitsEnd feeder units

a Page 3/14

3 AccessoriesFixing bracketSuspension hookSuspension bracketCable fixingCoding set

a Page 3/18

4 Tap-off plugs3-pole, 10 and 16 APhase sequence L1, L2 or L3 with N and PE can be changed by repositioning the contacts.5-pole, 10 A and 16 AL1, L2, L3, N, PECan be coded

a Page 3/16

5 End flange

a Page 3/19

DescriptionCD System (25 A - 40 A)

Siemens LV 70 · 20043/4

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• Type-tested low-voltage switchgear and controlgear assembly (TTA) to IEC/EN 60 439 -1 and -2

• Reduced planning costs through simplified engineering• Quick-release plug-in connection for fast assembly• Tap-off points on both sides for optimized utilization of the busbar• Even electrical loading of the CD system conductors by connecting an equal num-

ber of tap-off plugs to each individual phase• Versatility through high degree of protection to IP54 of the standard version• Tap-off plugs allow fast, flexible load relocation.

a Locating sectionb Connection terminalc Tap-off point

The trunking units are available in lengths of 2 m and 3 m. They consist of a rectangular, galvanized metal housing with a white-grey paint finish.

They are fitted with the following conductor runs on one or both sides:• 2 for L1 + N (PE = housing)• 3 for L1 + L2 + N (PE = housing)• 4 for L1 + L2 + L3 + N (PE = housing)

The tap-off points are spaced at regular intervals of 0.5 or 1 m on the trunking unit.

The trunking unit housing acts as the PE conductor. Three current ratings are available: 2 25 A, 30 A, 40 A. All trunking units have touch-proof tap-off points, that can be coded by the user.

The trunking units, including those with feeder units and flanges, are assembled wi-thout tools by straightforward plug-in connection.The PE path is established automatically when the housings are connected.An interlock mechanism with two fixings prevents a loosening of the connections between the trunking units, feeder units and flanges.No expansion compensation is required.

These flanges provide protection against direct contact at the ends of the busbar run. They are suitable for use with all CD systems.

Two variants are available:• Entry feeder unit for 2 25 A, 30 A and 40 A• End feeder unit for 2 25 A, 30 A and 40 A.One end flange is included as standard with each unit.Cable entry from three sides. Use metric M25 or M32 plastic cable glands with strain relief (not included as standard).

The tap-off points on the trunking units accept insulated enclosed tap-off plugs.

The following versions are available:• 3-pole and 5-pole versions without fuse base with halogen-free, flame-retardant

cable.• 3-pole and 5-pole version without fuse base with terminal and plastic M20 cable

grommet.• 3-pole version with fuse base for 8.5 mm 31.5 mm type gG (IEC) and type gL

(VDE) fast cylinder fuses, with halogen-free, flame-retardant cable.• 3-pole and 5-pole versions with fuse bases for one or three 8.5 mm 31.5 mm

type gG (IEC) and type gL (VDE) fast cylinder fuses; with terminal and plastic M20 cable grommet.

The 3-pole tap-off plugs have a variable phase tap-off, i.e. they can be connected to L1, L2 or L3.

Features

Trunking units

Connection method

Single conductor run:tap-off points at intervalsof 0.5 m or 1 m

Two conductor runs:tap-off points at intervalsof 0.5 m or 1 m

End flanges

Feeder units

Tap-off plugs

DescriptionCD System (25 A - 40 A)

Siemens LV 70 · 2004 3/5

3

The phase tap-off can therefore be changed by simply changing the contacts to another terminal.

On the 5-pole tap-off plugs, the phase tap-off can not be changed.

The phase assignment of the tap-off plugs is visible from the outside.

Tap-off plugs with terminals accept cables up to 2.5 mm2.

Underfloor mounting Fixing bracket for underfloor mounting

CodingCoding can be used for various frequencies and voltages. It can be retrofitted to the CD-K-... trunking units and the CD-K-A... tap-off plugs. Three code settings are possible: CD-K1 (K2, K3).

SuspensionThe trunking unit profile allows attachment of the suspension and fixing brackets at any point of the trunking unit.

Fixing bracket for trunking units and suspension bracket for luminaires up to max. 20 kg (5-fold safety to DIN 49 980).For more accurate centring, the CD-GP threaded plate can be used.

Fixing bracket for suspending trunking units and for increasedmechanical rigidity at the trunking unit connection points.

Clip-type fixing bracket for suspension from the trunking unit and for mounting lu-minaires (for luminaires up to max. 20 kg at 5-fold safety to DIN 49 980). Also al-lows cables to be routed alongside the system at a later stage.abClip-type fixing brackets must be used only for balanced loads, not for concentrated loads.

Cables routed with the trunking unit can be secured using the cable clip.

Supplementary components

L3L2L1NPE

L1 + N + PE L2 + N + PE L3 + N + PE

L3

L2L1

N

L2

L3

L2

L1

N

L3L1

N

N

L2L1

L3

L3

L1L2

N

Engineering

Siemens LV 70 · 20043/6


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Specimen text for tenders

Item Quantity Description Unit price Amount

... m Busbar trunking system for small loads and lighting installations

• As “type-tested low-voltage switchgear and controlgear assembly” (TTA) to IEC/EN 60 439-1 and -2

• Rated current, corresponds with therm. rated current at max. +40 °C and +35 °C average over 24 h, for indoor installation

• Rated insulation voltage Ui = 400 V AC, 400 V DC; overvoltage category/pollution degree III/3

• Operational voltage ... V, ... Hz

• Rated peak withstand current of busbar trunking system,... kA tested to IEC/EN 60 439-1

• Degree of protection IP54

• 3-, 4-, 5- or 2 5-conductor system

• Copper conductor, insulated along its whole length

• Trunking units, sheet steel enclosed, with paint finish

• Tap-off points at 0.5 m and 1 m intervals per side

• Supplied ready for connection with all assembly parts

• Made by Siemens

• Type CD-...

Consisting of:

EngineeringCD System (25 A - 40 A)

Siemens LV 70 · 2004 3/7

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Concentrated load Balanced load

Determining fixing intervals

The closed section of the CD system has a high degree of mechanical strength. The load diagrams show the maximum permissible loading in relation to the fixing interval (distance between suspension points).Deflection f of the busbar trunking unit should not be greater than 1/300 of the distance (L) between supports. F = balanced load.

Balanced load Concentrated load

L

f

L

F

Concentrated and balanced loads in relation to suspension point interval

Pendant fixing using CD-BA

4

6

8

10

12

14

16

18(kg)

2.00 2.50 3.00 (m)

= 1/300

Wei

ght o

f fitt

ed lo

ads

Fixing interval L

f/L

f/L

= 1/500

3 m

3 m

Underfloor mounting with CD-BUF

4

6

8

10

12

14

16

18(kg)

2.00 2.50 3.00 (m)

f/L = 1/500f/L = 1/300

Fixing interval L

Wei

ght o

f fitt

ed lo

ads

3 m

F 3 m


Siemens LV 70 · 20043/8

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The numbers, e.g. a, indicate the corresponding position of the luminaires in the table below.

Single lamp

= single lamp, non-compensated, cos ϕ ≈ 0.5

= single lamp, parallel-compensated, cos ϕ ≈ 0.9

= single lamp, alternately series-compensated, cos ϕ ≈ 0.1

Two lamps

= two lamps, non-compensated

= two lamps, twin-lamp circuit, cos ϕ ≈ 1

Three lamps

= three lamps, alternately series-compensated

= three lamps, non-compensated

Arrangement of luminaires

X X X

L1L2L3N

X X X

L1L2L3N

X X X

L1L2L3N

X X X

X

X

X X

X X

L1L2L3N

X X

X

X

X

X

X

L1L2L3N

X

X

X

X

X

X

L1L2L3N

X

X

X

L1L2L3N

Engineering

Siemens LV 70 · 2004 3/9


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Connectable luminaires without consideration of voltage drop

Lamp voltage per luminaire(linear fluorescent lamp)

Connectable luminaires with protection by miniature circuit-breaker

at 16 A at 20 A at 25 A at 32 A

Arrange-mentof lumi-naires

Rated current with choke

Length of light fixture

Units/phase

Total length for connection to 3-phases

Units/phase


Units/phase


Units/phase


A m, approx.

m, approx.

m, approx.

m, approx.

m, approx.

1 36 W1 58 WNon-compensatedsingle-phase

0.440.70

1.251.55

3320

12896

4225

163120

5232

202153

6640

248186

1 36 W1 58 WParallel-compensatedsingle-phase

0.250.40

1.251.55

3019

11791

3724

144115

4730

183144

5937

222173

1 36 W1 58 WAlternatelycompensatedsingle-phase

0.230.35

1.251.55

4832

187153

6040

234192

7550

292240

9664

360298

2 36 W 2 58 WNon-compensatedsingle-phase

0.881.40

1.251.55

1610

6248

2112

8157

2616

10176

4120

12493

2 36 W2 58 WTwin-lamp circuit,single-phase

0.460.71

1.251.55

2416

9376

3020

11796

3725

144120

4732

177149

3 36 W3 58 WAlternatelycompensatedthree-phase

0.230.35

1.251.55

4832

6251

6040

7864

7550

9780

9664

125103

3 36 W 3 58 WNon-compensatedthree-phase

0.440.70

1.251.55

3320

4232

4225

5440

5232

6751

6640

8664

Engineering

Siemens LV 70 · 20043/10


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Lamp voltage per luminaire(linear fluorescent lamp)

Connectable luminaires with protection by gL fuses

at 16 A at 20 A at 25 A at 35 A

Arrange-mentof lumi-naires

Rated current with choke

Length ofof light fixture

Units/phase


Units/phase


Units/phase


Units/phase


A m, approx.

m, approx.

m, approx.

m, approx.

m, approx.

1 36 W1 58 WNon-compensatedsingle-phase

0.440.70

1.251.55

3320

12896

4225

163120

5232

202153

7244

280211

1 36 W1 58 WParallel-compensatedsingle-phase

0.250.40

1.251.55

3623

140110

4428

171134

6038

234182

9056

351268

1 36 W1 58 WAlternatelycompensatedsingle-phase

0.230.35

1.251.55

4832

187153

6040

234192

7550

292240

10570

409336

2 36 W 2 58 WNon-compensatedsingle-phase

0.881.40

1.251.55

1610

6248

2112

8157

2616

10176

3622

140105

2 36 W2 58 WTwin-lamp circuit,single-phase

0.460.71

1.251.55

2416

9376

3020

11796

3725

144120

5135

198168

3 36 W3 58 WAlternatelycompensatedthree-phase

0.230.35

1.251.55

4832

6251

6040

7864

7550

9780

10570

136112

3 36 W 3 58 WNon-compensatedthree-phase

0.440.70

1.251.55

3320

4232

4225

5440

5232

6751

7244

9364


Siemens LV 70 · 2004 3/11

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The lengths of the CD busbar runs given in the guide value tables on Page 3/9 and Page 3/10 take into account only the rated current of the connectable luminaires.

To determine the precise length of the busbar run, voltage drops and short-circuit protection must be taken into account.

For example:

Provided that the protective element is positioned immediately upstream of the CD system feeder unit, ZInc can be ignored.

The admissible opening delay is as specified in IEC 60 364 Part 430

The total opening delay of the selected protective device must not exceed the determined admissible opening delay and must not be greater than 5 s.

Short-circuit protection

Protective deviceIncoming cable CD-System

Luminairex

Tap-off with cable1 mm or 1,5 mm2 2

inc. inc.zl CD CDzl

1. Voltage drop U, which, according to the applicabletechnical literature, should lie between 3 % and 5 % when the load isevenly distributed across the lighting system.

∆U (V) → Page 3/13DU(%) = DU(V)Ue(V)

x 100%

2. Fault protection to IEC 60 364 Part 410.Calculation of the current resulting in automaticinterruption, taking into account the incoming supply cable andthe outgoing circuit.

Ia = UoZs

= UoZSource + ZInc + ZCD + ZOut

UoZSource + ZInc lInc + ZCD lCD + ZOut lOut

=(A) (A)

Ia = Current resulting in automatic interruption (A)Uo = Nominal voltages to earth (V)Zs = Fault loop impedance. Can be measured,

calculated or determined using the network model.(Ω)

ZSource = Source impedance (Ω)lInc = Single length of incoming supply cable (m)lCD = Single length of CD system (m)lOut = Length of outgoing circuit (m)ZInc = Loop impedance of incoming supply cable (Ω/m)ZCD = Loop impedance of CD system (Ω/m)ZOut = Loop impedance of outgoing circuit (Ω/m)

ZInc = 22 10-3 Ω/m at 2.5 mm2

ZCD = 8.25 10-3 Ω/m for 30 A CD system5.67 10-3 Ω/m for 40 A CD system7.51 10-3 Ω/m for 2 25 A CD system

ZOut = 54 10-3 Ω/m at 1 mm2

36 10-3 Ω/m at 1.5 mm2

t = Admissible opening delay (s)S = Smallest conductor cross-section to be protected

(outgoing circuit) 1 mm2 or 1.5 mm2(mm2)

Ia = Current according to above calculation (A)

t = S

Ia(s)(115 x ) 2


Siemens LV 70 · 20043/12

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A system can be protected against start circuit alone, by fitting low-voltage h.b.c. fuses (gL) into the incoming supply; the fuse size to be appropriate for the prospective short-circuit current at the point of installation.

Due to their high response threshold (1.3 – 1.6 times rated current) and their long rupturing times at small overcurrents, fuses are not suitable for overload protection.For protecting the CD busbar trunking system and its outgoing circuits, we recommend miniature circuit-breakers and motor-protective circuit-breakers.

Short-circuit protection

System Protective device per circuit

Icf = 25 kA

CD-130. NH00 32 gL

CD-140. NH00 40 gL

CD-225. NH00 25 gL

Notes Icf = Rated conditional short-circuit current of thebusbar trunking system and its outgoing circuits when protected by a fuse

Overcurrent protective devices for overload and short-circuit protection

System Protective device per circuit

Icc = 15 kA Icc = 20 kA Icc = 25 kA

CD-130. FAZ-3-B32 AZ-3-C32 PKZ 2/ZM-32-8

CD-140. FAZ-3-B40 AZ-3-C40 PKZ 2/ZM-40-8

CD-225. FAZ-3-B25 AZ-3-C25 PKZ 2/ZM-25-8

Notes Icc = Rated conditional short-circuit current of thebusbar trunking system and its outgoing circuits when protected by circuit-breakers


Siemens LV 70 · 2004 3/13

3

(Load distribution factor a = 0.5 for lighting installations)Three-phase current (3 ~), alternating current (~)

Temperature characteristic of CD systems

For long busbar runs, it may be necessary to calculate the voltage drop.

Alternating current

Three-phase current

Factor “a” used in the equation for calculating the voltage drop is dependent on the load distribution.

Voltage drop at rated current

20

DU (V/100 m)

18

16

14

12

10

8

30 A (~

)

25 A (~)

40 A (~)30 A (3~)

25 A (3~)

40 A (3~)

6

4

20.4 0.5 0.6

cos v

0.7 0.8 0.9 1.0

-5

130

Rated current (%)

Ambient temperature °C(average over 24 hours)

120

110

100

90

80

70

+5 +15 +25 +35 +45 +55 +65

Voltage drop

∆U = Voltage drop (V)I = Load current (A)l = Length (m)a = Load distribution factorR = Ohmic resistance R20 (mΩ/m)X = Inductive reactance X20 (mΩ/m)cos ϕ = Power factor

Load distribution Factor a

Supply at AOne tap-off at B 1

Supply at ATap-off at B, C, D, E 0.5

Supply at ATap-off at C, D, E, F 0.25

DU = ax Ix 2lx (Rx cos v + Xx sin v)x 10–3 (V)

DU = ax 3x Ix lx (Rx cos v + Xx sin v)x 10–3 (V)

BA

EA

DCB

FA

EDCB

Selection and ordering dataTrunking Units, Feeder Units

Siemens LV 70 · 20043/14


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Length Tap-off points Tap-off pointspacing

m m

Trunking units• Sheet steel housing• Similar to RAL 9002 (white-grey)• Tap-off points can be coded

3 3 Single conductor run

1


1


1


1


0.5

2 3 Double conductor run

0.5, alternating


0.5, alternating


0.5

Feeder units

• Insulated housing• Cable entry from 3 sides• M25 or M32 plastic cable gland with strain relief,

(not included as standard)• Terminals for 2.5 to 10 mm2 cables

Entry feeder units• Including CD-EF end flange

Single conductor run

Double conductor run

End feeder units• Including CD-EF end flange

Single conductor run

Double conductor run

L1N

PE

L2L1N

PE

L2L1

L3

N

PE

L2L1

L3

N

PE

L2L1

L3

N

PE

L2L1

L3

N

PE

L2L1

L3

N

PE

L2L1

L3

N

PE

Selection and ordering dataTrunking Units, Feeder Units

Siemens LV 70 · 2004 3/15


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Rated current Ie30 A

Rated current Ie2 x 25 A

Rated current Ie40 A

Type PriceSeePrice List



Article no. Article no. Article no. PS*

CD-K-1302-3211151

– CD-K-1402-3211156

1 unit

CD-K-1303-3211152

– CD-K-1403-3211157

CD-K-1304-2211153

– CD-K-1404-2211158

CD-K-1304-3211154

– CD-K-1404-3211159

CD-K-1304-3-05211155

– CD-K-1404-3-05211160

– CD-K-2254-2211161

–

– CD-K-2254-3211162

–

– CD-K-2254-3-05211163

–

CD-K-1304-EA211164

– CD-K-1404-EA211166

1 unit

– CD-K-2254-EA211168

–

CD-K-1304-EE211165

– CD-K-1404-EE211167

– CD-K-2254-EE211169

–

* This quantity or a multiple thereof can be ordered.

Selection and ordering dataTap-Off Plugs

Siemens LV 70 · 20043/16


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Rated current Article no. PS*IeA

Tap-off plugs3-pole• Can be changed over to L1 or L2 or L3 with N and PE• Without fuses• Halogen-free cable to IEC 60 754-1 and

flame-retardant to IEC 60 332-1

With 0.8 m cable, 3 x 1 mm² 10 CD-K-A3O-1211187

1 unit

With 3 m cable, 3 x 1 mm² 10 CD-K-A3O-3211188




5-pole• L1, L2, L3, N and PE• Without fuses• Halogen-free cable to IEC 60 754-1 and


With 0.8 m cable, 5 x 1 mm² 10 CD-K-A5O-1211192

1 unit




3-pole• Can be changed over to L1 or L2 or L3 with N and PE• For one 8.5 mmx 31.5 mm cylinder fuse,

type gG (IEC) or gL (VDE) (fast)• Halogen-free cable to IEC 60 754-1 and


With 0.8 m cable, 3 x 1.5 mm² 16 CD-K-A3M-1211198

1 unit

With 3 m cable, 3 x 1.5 mm² 16 CD-K-A3M-3211199

1 unit

L3

L1L2

N

L3

L1L2

N

N

L2L1

L3


Selection and ordering dataTap-Off Plugs

Siemens LV 70 · 2004 3/17


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Tap-off plugs

3-pole• Can be changed over to L1 or L2 or L3 with N and PE• Without fuses

With plastic M20 cable grommetConnection via 2.5 mm² terminal

16 CD-K-A3O-0211196

1 unit

5-pole• L1, L2, L3, N and PE• Without fuses


16 CD-K-A5O-0211200

1 unit

3-pole• Can be changed over to L1 or L2 or L3 with N and PE• For one 8.5 mm x 31.5 mm cylinder fuse,

type gG (IEC) or gL (VDE) (fast)


16 CD-K-A3M-0211197

1 unit

5-pole• L1, L2, L3, N and PE• For three 8.5 mm x 31.5 mm cylinder fuses,

type gG (IEC) or gL (VDE) (fast)


16 CD-K-A5M-0211201

1 unit

N

L2L1

L3


Selection and ordering dataAccessories

Siemens LV 70 · 20043/18


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AccessoriesCylinder fuse• For CD-K-A.M-. tap-off plugs,

8.5 mm x 31.5 mm, with spring indicator, type gG (IEC), gL (VDE) (fast)

2 CD-ZS-2044891

10 units

4 CD-ZS-4044892

6 CD-ZS-6044893

8 CD-ZS-8044894

10 CD-ZS-10044895

12 CD-ZS-12044896

16 CD-ZS-16044897


Article no. PS*

AccessoriesCoding set

CD-K1211202

10 units

CD-K2211203

CD-K3211204


Selection and ordering dataAccessories

Siemens LV 70 · 2004 3/19


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Article no. PS*

AccessoriesEnd flange CD-EF

0521241 unit

Fixing bracket• With paint finish• For mounting trunking units and luminaires

CD-B052134

12 units

Threaded/centring plate12 mm x 31.5 mm, M6• For CD-B fixing bracket

CD-GP088779

50 units

Suspension hook• For suspension by cable or chain in conjunction

with CD-B fixing bracket

CD-H086012

10 units

Suspension bracket• For suspension by cable or chain

(also for increased mechanical rigidity at the connecting points)

CD-BA025377

1 unit

Clip-type fixing bracket• For mounting trunking units and luminaires (balanced load)

CD-BC203519

12 units

Cable clip• For securing cables alongside trunking units

CD-CL203520

10 units

Fixing bracket • For underfloor mounting

CD-BUF272546

12 unit


Technical Data

Siemens LV 70 · 20043/20


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Terminal capacity

CD-K-1302 CD-K-1303 CD-K-1304 CD-K-2254

ConductorsRated insulation voltage Ui V AC/DC 400/400 400/400 400/400 400/400Overvoltage category/pollution degree

III/3 III/3 III/3 III/3

Rated operational voltage Ue V AC 400 400 400 400Frequency Hz 50 – 60 50 – 60 50 – 60 50 – 60Rated current Ie therm. rated current at max. 40 °C and35 °C average over 24 hours

A 30 30 30 2 × 25

Impedance of conductors at 50 Hzand 20 °C busbar temperature

Resistance R20 mΩ/m 5.79 5.79 5.79 4.56Reactance X20 mΩ/m 0.26 0.26 0.26 0.15Impedance Z20 mΩ/m 5.80 5.80 5.80 4.56

Impedance of conductors under fault conditionsAC resistance RF mΩ/m 8.24 8.24 8.24 7.50Reactance XF mΩ/m 0.44 0.44 0.44 0.32Impedance ZF mΩ/m 8.25 8.25 8.25 7.51

“Null” impedance tested to IEC 60 909, VDE 0102 Resistance R0 Phase to N mΩ/m 24.24 24.24 24.24 18.59Reactance X0 Phase to N mΩ/m 1.77 1.77 1.77 0.82Impedance Z0 Phase to N mΩ/m 24.30 24.30 24.30 18.61Resistance R0 Phase to PE mΩ/m 12.00 12.00 12.00 13.49Reactance X0 Phase to PE mΩ/m 1.80 1.80 1.80 0.82Impedance Z0 Phase to PE mΩ/m 12.13 12.13 12.13 13.52

Short-circuit ratingRated peak withstand current Ipk kA 2.4 2.4 2.4 3.0Rated short-time withstand current Icw (t = 1 s) kA 0.56 0.56 0.56 0.69Rated short-time withstand current Icw (t = 0.1 s) kA 1.6 1.6 1.6 2.0Number of active conductors 2 3 4 2 × 4Conductor cross-section

L1, L2, L3 mm2 3.2 3.2 3.2 4.0N mm2 3.2 3.2 3.2 4.0PE (housing) Cu mm2 11 11 11 11

Conductor material Cu Cu Cu CuCombustive energy kWh/m 0.1 0.15 0.201 0.48Max. therm. load, I2t value A2s × 103 310 310 310 470Fixing intervals at normal mechanical load

m 3 3 3 3

Tap-off plugsTap-off point Offset every 0.5 m, 1 m or 0.5 m on each side; max. 16 ATap-off plug 3- and 5-pole; with or without permanently attached cable; with or without fuse

holders for 8.5 mm × 31.5 mm; type gG (IEC) and type gL (VDE) fast cylinder fuses.All tap-off plugs are of utilization category AC-20B to IEC/EN 60 947-3.The PE operates as an early-make contact during connection, and as alate-break contact during removal of the tap-off plug.

Designation Type L1, L2, L3 N PEMin.mm2

Max. mm2

Min.mm2

Max. mm2

Min.mm2

Max. mm2

Entry feeder unit CD-K-...-EA 2.5 6 (f)10 (st, so)

2.5 6 (f)10 (st, so)

2.5 6 (f)10 (st, so)

End feeder unit CD-K-...-EE 2.5 6 (f)10 (st, so)

2.5 6 (f)10 (st, so)

2.5 6 (f)10 (st, so)

Notes so = solid, st = stranded, f = flexible with ferrule

Technical Data

Siemens LV 70 · 2004 3/21


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CD-K-1402 CD-K-1403 CD-K-1404 General technical data

400/400 400/400 400/400 Standards IEC/EN 60 439-1 and -2

Climatic proofing Damp heat, constant, to IEC 60 068-2-78Damp heat, cyclical, to IEC 60 068-2-30

Ambient temperature Min./Max. °C−5/+40

Degree of protection IP54, IEC/EN 60 529

Mounting position Edgewise; tap-off points at the side

Weight a Annex

Dimensions a Page 3/22Material

Trunking units Galvanized, painted sheet steel

Busbars Tinned and insulated round-section copper wire

III/3 III/3 III/3

400 400 40050 – 60 50 – 60 50 – 6040 40 40

3.55 3.55 3.550.40 0.40 0.403.57 3.57 3.57

5.61 5.61 5.610.80 0.80 0.805.67 5.67 5.67

14.85 14.85 14.850.99 0.99 0.9914.88 14.88 14.889.87 9.87 9.871.02 1.02 1.029.92 9.92 9.92

3.6 3.6 3.60.85 0.85 0.852.4 2.4 2.42 3 4

5.0 5.0 5.05.0 5.0 5.011 11 11Cu Cu Cu0.12 0.18 0.24720 720 7203 3 3

Dimension drawingsTrunking Units, Feeder Units, Tap-Off Plugs

Siemens LV 70 · 20043/22


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Trunking units

CD-K-1302-3CD-K-1303-3CD-K-1304-2CD-K-1304-3

CD-K-2254-2CD-K-2254-3

CD-K-1402-3CD-K-1403-3CD-K-1404-2CD-K-1404-3

Feeder units

CD-K-1304-EECD-K-1404-EECD-K-2254-EE

For M25, M32

CD-K-1304-EACD-K-1404-EACD-K-2254-EA

For M25, M32

Tap-off plugs

CD-K-A3O-0CD-K-A3M-0CD-K-A5O-0CD-K-A5M-0

CD-K-A3M-1CD-K-A3M-3

CD-K-A3O-1CD-K-A3O-3CD-K-A3O-4CD-K-A3O-5CD-K-A3O-8

CD-K-A5O-1CD-K-A5O-3CD-K-A5O-5CD-K-A5O-8

2000/3000

500 1000

500 500

42

30Lengthm

Number oftap-off points

2 2 or 33 3, 5 or 10

99 130

8566

130 99

M25, M32

L2

N

L3

L1 42 59

48

59

189

L2

N

L3

L1

5058

58 59

Dimension drawingsAccessories

Siemens LV 70 · 2004 3/23


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Fixing brackets

CD-B CD-BC

Suspension bracket

CD-BA

Bracket underfloor mounting

CD-BUF

End flange

CD-EF

Cable clip

CD-CL

Coding set CD-K1 (K2, K3)

CD-K1 CD-K2 CD-K3

20

20

1092

35

26

74 12

5.3

6.4

25

17

47

32

42.3

200

76

7 x 9

34

58 37

42

22 30

36

30

20

10

9.7

26.7

7.3

18.2

18.2

36.4

34

8.5

9.7

26.7

Notes

Siemens LV 70 · 20043/24


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