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Outdoor vacuum circuit breaker ZW32-12
Outdoor vacuum circuit breaker ZW32-12
Outdoor vacuum circuit breaker ZW32-12

>Outdoor vacuum circuit breaker ZW32-12

Categories
High Voltage Vacuum Circuit Breaker
MOQ
5
Brand
Johsun
FOB port
Shanghai,Ningbo
Terms of Payment
Western Union,T/T,Paypal
Deliverytime
15 working days

Description 

ZW32-12 Outdoor vacuum circuit breaker (hereinafter called breaker) is of rated voltage 21KV, three-phase AC 50Hz distribution equipment, mainly used to break, make loading current, overloading current, and short circuit current, as the protection and control unit in substation, mineral enterprise and rural network where need frequent switching. 

The breaker has such advantages of small size, light weight, anti-fog, free of maintenance and etc, able to work in some severe ambient conditions and polluted atmosphere. 

 

Applicable standards 

GB 1984 "AC high voltage circuit breakers" 

GB 11022 "General technical requirements High voltage switchgear and controlgear" 

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GB3 l l. l-6 "Insulation coordination of high voltage transmission and distribution equipment" 

GB763 "Heating of AC high voltage apparatus under long term working" 

GB2706 "Test methods of dynamic, thermal steady current on AC high voltage apparatus" 

GB3309 "Mechanics test on AC high voltage apparatus under normal temperature" 

DLff593 "Technical conditions for ordering AC high voltage equipment" 

 

 Model and meanings

 

 Main technical parameters

 

Outline size

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