circuit-breaker - high duty vd4 · mmmmmmmmmm mm 2806) 328 8956) 6866) 900 1575 3607) 328 10007)...

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Vacuum circuit-breaker -high dutyVD4

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Vacuum circuit-breaker type VD4©

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Medium voltage

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Vacuum circuit-breakerhigh duty

12 kV, 1250 – 2500 A, 40 – 63 kA

12 kV, 3150/40001) A, …63 kA

17.5 kV, 1250 – 2500 A, 40 kA

17.5 kV, 3150/40001) A, …40 kA

36 kV, 1250 – 3150 A, …40 kA

40.5 kV, 1250 – 3150 A, …31.5 kA

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The switchgear complies with the followingspecifications in according with DIN VDE and relevant IEC publications:• VDE 0670, Teil 1000 and IEC 60694• DIN VDE 0670,Teil 1 and IEC 62271-100

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Rated voltage1) kV 12 17.5 36 40.55)

Rated current A 1250...2500 1250...2500 3150/40003) 1250...2500 3150/40003) 1250...31504)

25...40

27.3...43.6

63...100

3

280/36010)

328

895/100011)

55512)/686

-

900

1575

290...350

•

Rated short-circuitbreaking current symm.2) kA 40 50/63 20...63 40 20...40

1250...3150

25/31.5

27.3/34.3

63/80

3

280

328

895

686

-

900

1575

290...350

Short-circuit breaking current asymm.2) kA 43.6 55.8/65.5 21.7...65.5 43.6 21.7...43.6

Rated short-circuit making current2) kA 100 125/158 50...158 100 50...100

Rated short circuit duration s 3 3 3 3 3

Dimensions p

H

a

b

c

d

e

210/2756)

310

600/750

424

433

237.5

5998)

210/2757)

310

610/750

459

433

237.5

615.5/677.59)

275

310

750

459

433

237.5

677.59)

210/275

310

610/750

459

433

237.5

615.5/677.59)

275

310

750

459

433

237.5

677.59)

Weight kg 94...159 159...260 260 159...260 260

Embedded pole •

Assembled pole • • • • •

1) Test voltage according to DIN VDE 0670,part 1000, list 2

2) When the operating voltage is lower thanthe rated voltage, the same values applyas for rated voltage

3) 4000 A breaker only with fan cooling

4) 3150 A breaker in withdraw. version only5) 40.5 kV breaker in withdraw. version only6) With rated current 2500 A only pole centres

275 mm7) With rated current > 2500 A and rated short-

circuit breaking current 63 kA only pole centres 275 mm

8) Breaker with heat-sink 616 mm9) Breaker with heat sink

10) Pole centres 360 mm fixed versionPole centres 280 mm withdraw. version

11) 1000 mm fixed version12) Only with fixed version


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12 kV, 1250-2500 A, 50 kA 17.5 kV, 1250-2500 A, 40 kA

p H a b c d e

mm mm mm mm mm mm mm210 310 6108) 4598) 433 237.5 615.5275 310 750 4598) 433 237.5 615.5

12 kV, 3150 A / 4000 A1), ...50 kA12 kV, 1250-4000 A, 63 kA17.5 kV, 3150 A / 4000 A1), ...40 kA

p H a b c d emm mm mm mm mm mm mm275 310 750 4598) 433 237.5 677.53)

12 kV, 1250-2500 A, 40 kA; p H a b c d e

mm mm mm mm mm mm mm210 310 600 424 433 237.5 5991,)2)

275 310 750 424 433 237.5 5991),2)

36 kV, 1250-3150 A4), 25-40 kA 40.5 kV5), 1250-3150 A, 25/31,5 kA

p H a b d e

mm mm mm mm mm mm2806) 328 8956) 6866) 900 15753607) 328 10007) 5557) 900 1575

Shown: 12kV, 2500A, 40kA

2) Pole with heat -sink 616 mm

1) Measuring point pole part

4) Fixed version only up to 2500A

3) Pole with heat -sink

5) 40,5kV only for version on withdrawable part 6) Version on withdrawable part 7) Ausführung: Leistungsschalter als Festeinbau 8) Max. width or depth

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VD4 vacuum circuit-breakers are well suited for switching of:

short-circuit currents

overhead lines under load and no-load conditions

transformers under load and no-load conditions

ripple control systems

capacitors

motors

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Vacuum interrupter(principle structure )

1

2

3

4

5

6

78

9

10

1 Stem/Terminal2 Twist protection3 Bellow4 Interrupter lid 5 Shield6 Ceramic insulator7 Shield8 Contacts9 Stem/Terminal

10 Interrupter lid

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Embedded pole (principle structure)

1 Upper terminal2 Vacuum interrupter3 Epoxy resin4 Stem5 Lower terminal6 Movable contact7 Contact force spring8 Push rod9 Fixing point

10 Operating mechanism connection

1

2

3

56

7

4

8

910

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9 Charging lever15 Vacuum interrupter15.3 Switching contacts16.2 Movable contact17 Contact force spring18 Insulating push rod19 Opening spring20 Shift lever pair21 Cam disk30 Drive shaft32 Stop disk33 Drum with spiral spring34 Chain50 Lever-hand control cam

Operating mechanism VD4 - high duty(principle structure)

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Operating mechanismof vacuum circuit-breaker VD4 - high duty

Shown: VD4 1220-40

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Vacuum circuit-breaker onwithdrawable part intended for indoor installation in air-insulated switchgearsystems (front view)

Shown: VD4 1225-50

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Vacuum circuit-breaker onwithdrawable part intended for indoor installation in air-insulated switchgearsystems (pole view)

Shown: VD4 1225-50

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Vacuum circuit-breakeron truck

36 kV, ... 3150 A, ... 40 kA40.5 kV, ... 3150 A, ... 31.5 kA

Shown: VD4 3631-31

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1 Upper contact terminal2 Vacuum interrupter3 Epoxy resin enclosure4 Lower contact terminal5 MC-contact6 Piston7 Contact force spring8 Insulated coupling rod9 Opening spring

10 Shift lever11 Drive shaft12 Release mechanism13 Mechanism enclosure

with spring operating mechanism

12 kV, 1250 - 2500 A1), 40 kA

Shown: Vacuum circuit-breaker, type VD4, in embedded technique12 kV, 2000 A, 31.5 kA

1) 2500 A with heat-sink

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Shown: Vacuum circuit-breaker, type VD4,with assembled poles12 kV, 2500 A, 50 kA

12 kV, 1250 A – 2500 A, 50 kA12 kV, 3150 A / 4000 A1), ...50 kA12 kV, 1250 A – 3150 A / 4000 A1), 63 kA17.5 kV, 1250 A – 3150 A / 4000 A1), 40 kA1) Breaker with fan-cooling

1 Upper contact terminal2 Vacuum interrupter3 Epoxy resin enclosure4 Lower contact terminal5 Roller contact6 Contact force spring7 Insulated coupling rod8 Opening spring9 Shift lever

10 Drive shaft11 Release mechanism12 Mechanism enclosure with spring

operating mechanism

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5 Medium voltage


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circuit-breaker - high duty vd4 · mmmmmmmmmm mm 2806) 328 8956) 6866) 900 1575 3607) 328 10007)...

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