ZW32-12 Outdoor VCB/ Vacuum circuit breaker

ZW32-12 Outdoor VCB/ Vacuum circuit breaker

1.ZW32-12 type outdoor high voltage vacuum circuit breaker is 3-phase AC, 50(60) Hz outdoor power distribution equipment with the rated voltage of 12kV.
2.It is mainly used to break and close the load current, over load current, and short circuit current.
3.It fits to be used to protect and control the circuit in substation, mining and industrial enterprises.
4.It is accordance with GB 1984-2003 standard.
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Product Details

Main technical specification of ZW32-12


Name

Units

Data

1

Rated voltage

kV

12

2

Rated current

A

630/1250

1250

3

Power frequency withstand voltage 1 min

kV

42

42

4

Lightning impulse withstand voltage (peak)

kV

75

75

5

Rated short circuit breaking current

kA

20

25

6

Rated short circuit making current (peak)

kA

50

63

7

4S short time withstand current

kA

20

25

8

Operating sequence


O-0.3s-CO-180s-CO

9

Rated short circuit current breaking time

times

30

10

Mechanical life

times

10000

11

Allowed wear of moving and fixed contact

mm

3

12

Weight

kg

80

image


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