Vacuum circuit breaker Miniature vacuum interrupter; Manual, automatic, spring operating mechanism;

ZW37-40.5 outdoor AC high voltage vacuum circuit breaker is mainly used to break and close load current, over-load current and short-circuit current in outdoor 36kV three-phase alternating current 50Hz power system, also suitable for occasion with frequent operations.

The product suitable for substations, industrial and mining establishments, rural power network and occasions with frequent operation to protect and control.

Main Technical Parameter

NO.	ITEM	UNIT	DATA
1	Rated voltage	kV	36
2	Rated current	A	630,1000,1250
3	Rated short-circuit breaking current	kA	20,25,31.5
4	Rated short-circuit breaking time	Time	30
5	Rated short-circuit making current (peak)	kA	50
6	Rated peak withstand current		50
7	Rated short time withstand current/duration	kA/s	20/4
8	Mechanical life	Time	10000
9	Net weight	kg	60

ZW37-40.5 33kV High voltage Outdoor AC three phase Vacuum Circuit Breaker auto recloser with controller