ZMF-12/630-20 Vacuum arc extinguishing chamber-[Quotation-data]--Shanghai Huabang Industrial Business-www.91way.com

Product name：

ZMF-12/630-20 Vacuum arc extinguishing chamber

specification：

Category：

Price：

factory price

Brand：

Shanghai

Place of Origin：

China

Available Quantity：

batch

delivery cycle：

Spot goods (or inquire by telephone)

Shanghai Beiyuan Industry and Trade Co.,Ltd
+86-21-66770508
+86-139101609058

91way@163.com
13916500500(Wechat)

ZMF-12/630-20 Vacuum arc extinguishing chamberDetailed product description：

Vacuum arc extinguishing chamber for ZMF-12/630-20 vacuum load switch

Model number	ZMF-12/630-20
rated voltage	12KV
rated current	630A
Rated short-time withstand current	20KA
Rated peak withstand current	50KA
Rated peak closing current	50KA
Rated short-circuit duration	4S
Rated short-time (1-minute) power frequency withstand voltage	42KV
Rated lightning impulse withstand voltage	75KV
Rated current breaking times	10000 times
Circuit resistance under rated contact pressure	≤35μΩ
mechanical life	10000 times
Contact self closing force	90±20N
Contact reaction force at rated opening distance	150±30N
Allowable wear thickness of contacts	3mm
Allow storage period	20a