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BackHome > Products > Vacuum circuit breaker

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.

.	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