ZW32-24 VCB/ Vacuum circuit breaker

ZW32-24 VCB/ Vacuum circuit breaker

1.ZW32-24 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 ZW32-24


Name

Units

Data

1

Rated voltage

kV

24

2

Rated frequency

Hz

50

3

Rated current

A

630

1250

4

Rated short circuit breaking current

kA

20

25

5

Rated peak withstand current (peak)

kA

50

63

6

Rated short circuit making current (peak)

kA

50

63

7

Rated short time withstand current/duration

Ka/s

20/4

25/4

8

Operating sequence


O-0.3s-CO-180s-CO

9

Mechanical life

times

10000

10

Rated short circuit current breaking time

times

20

 


 11

1 min power frequency withstand voltage

(Wet) between phases, to ground/to gap

 


  kv

50/65

(Dry) between phases, to ground/to gap

65/79

Secondary circuit

2

12

Lightning impulse withstand voltage (peak) between

Phases, to ground/to gap

kA

125/145

13

Weight

kg

115

Following information is required for order

1. Full type name, rated current, rated short-circuit breaking current and quantity.

2. Rated voltage of power source, opening and closing. The type of the operating mechanism.

3. If need current transformer? Its quantity and ratio

4. If need isolating switch? (Upper/lower or both of them)

5. If need surge controller?

6. The cabinet of the circuit breaker should be stainless steel or dyclonine

7. For other special requirements


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