Product Main

Specifications

VS1 series vacuum circuit breaker(VCB) is indoor high voltage switch-gear with rated voltage 12kV, three-phase AC 50Hz, which is developed by introducing from Switzerland, ABB Corporation technology and analyzing domestic profession development condition, productivity development manufacture product. The overall structure of this product is formed with the switch main body and operating device, uses the compound insulation structure, does not have the pollution and the explosion hazard, and the insulation level is high.

This operating device of the series product is for the spring loaded type, can use the electrically operated operation, also can use the manual operation.

Number

Item

Unit

Data

25kA

31.5kA

40kA

1

Rated voltage

kV

12

2

Max.working voltage

kV

12

3

Rated current

A

630

1250,1600

1250,1600

 

 

1250

2000,2500,

3150

2000,2500,

3150

4

Rated short circuit breaking current

kA

25

31.5

40

5

Rated short circuit breaking current (peak value)

kA

63

80

100

6

Rated peak value withstand current

kA

63

80

100

7

4S rated short time withstand current

kA

25

31.5

40

8

Rated insulation level

Power frequency withstand voltage

 

kV

42(fracture 48)

Impulse withstand voltage

75(fracture 85)

9

Rated sequence of operations

 

O-0.3s-CO-180s-CO

10

Mechanical life

Time

10000

11

Breaking times for rated short circuit current

Time

50

12

Operating voltage

V

110,220(DC or AC)

13

Clearance between open contacts

mm

11±1