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VD4 High Voltage 3 Poles Vacuum Circuit Breaker

Basic Info

Model No.: VD4 vacuum circuit breaker

Product Description

      Product Description   General Description   VW1-12/24/40.5 VCB is employed with mature APG technology, directly encapsulating the vacuum interrupter  and main circuit in the epoxy resin poles as to form solid insulation type, representing the higher level of designing  and manufacturing of medium voltage vacuum circuit breakers in the contemporary world.     Our advantage     Dimension       Technical data

Item

Unit

Data

Rated voltage

kV

12

Rated insulation voltage

1 min power frequency withstand voltage

kV

65

Lightning impulse withstand voltage(peak)

kV

75

Rated frequency

Hz

50/60

Rated current

A

630,1250,1600,2000,2500,3150

Rated short-time withstand current

kV

20,25,31.5

Rate peak withstand current

50,63,80

Rate short-circuit duration

S

4

a.c. component of rate short-circuit breaking current

kA

42

Rated short-circuit making current

kA

50,63,80,100

Mechanical life

time

10000

Permitted abrasion thickness of moving and fixed contacts

mm

3

Arcing time

ms

15

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Product Categories : Vacuum Circuit Breaker

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