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Vacuum circuit breakerOutdoor ZW20-12F Column Intelligent Vacuum Electrical Circuit Breaker
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ZW20-12F outdoor column intelligent vacuum circuit breaker is an outdoor distribution equipment with 12kV for the highest rated voltage and 50Hz three-phase AC. The utility model is mainly used for load current, overload current and short circuit current in the open and close power system of the distribution network.  

 

It is applicable to substations and industrial and mining enterprises in the distribution system for protection and control, more suitable for rural power grid and frequent operation and particularly applicable in the city network and rural power grids.  

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                                    Item

  Unit

                                 Data

1

Rated voltage

kV

36

2

Rated Current

A

630/1250/1600

3

Rated Frequency

Hz

50/60

4

Rated short circuit current

kA

20/25/31.5

5

Rated short time withstand current(4s)

kA

50/63/80

6

Rated peak withstand current

kA

50/63/80

7

Rated power frequency withstand voltage

kV

95

8

Rated lightning impluse withstand voltage

kV

185

9

Secondary loop 1 min power frequency withstand voltage

kV

2

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