Vacuum Circuit Breaker (Outdoor ,Recloser ,ZW-24(27) Seires)

Detailed Product Description

Vacuum Circuit Breaker (Recloser ,ZW-24(27) Seires)

General

ZW-24(27) type AC outdoor vacuum circuit breaker is a new and practical product developed by our company with several kinds of patent . It is mainly applied for switching on or off of load current , overload current and short circuit current of power system in AC three phase outdoor power distribution net with rated voltage of 24kv and frequency of 50Hz . It is used for protection and control in power substation and enterprises power distribution system , and is more applicable for rural power grids and frequent operation occasion . the product and its supporting control equipment can meet the automatization requirement of power distribution system and also act the traditional reclosers function reliably and efficiently .

Main Technical Parameter

Item		Unit	Parameter
Rated voltage		KV	24
Rated current		A	630
Rated frequency		Hz	50/60
1min Rated short-time power-frequency withstand voltage	Try test	KV	60
	West test		50
Rated lightning impulse withstand voltage		KV	125
Rate short-circult breaking current		KA	16
Rated short-time withstand current		KA	16
Rated duration of shotr-circult		S	3
Rated peak withstand current		KA	40
Rated short-circult making current		KA	40
Rated operating sequence		O-11-CO-12-CO-13-CO-LOCK