VBDc/R-12 VCB/ Vacuum circuit breaker

VBDc/R-12 VCB/ Vacuum circuit breaker

1.Use spring energy storage.
2.Operating by two ways: manual or electric operation
3.The characteristics is accordance with GB1984-2003 AC High Voltage Circuit Breakers, JB3855-96 3.6~40.5kV indoor AC HV vacuum circuit breaker, relevant regulations of IEC62271-100 standard and the technical requirements of this product.
4.Use modular type operating mechanism and embedded pole
5.The mechanical life is M2 and electrical life is E2
Chat Now

Product Details

Main technical specification of VBDc/R-12 


Name

Unit

Data

1

Rated voltage

kV

12

2

Rated frequency

Hz

50/60

3

1 min power frequency withstand voltage

kV

42

4

Rated lightning impulse withstand voltage

kV

75

5

Rated current

A

630

1250

1600


  6

Rated short circuit breaking current

Rated thermal stable current(effective value)


        kA

20

20


25

25

25

31.5

31.5

31.5


  7

Rated short circuit making current (peak)

Rated dynamic stable current (peak)


        kA

50

50


63

63

63

80

80

80

8

Conductive circuit resistance of each phase

μΩ

50

45

35

9

Rated thermal stable time

s

4

10

Rated operating sequence


O-0.3s-CO-180s-CO

11

Mechanical life

Operations

10000




Inquiry