ZW8-12/630-20 outdoor high-voltage vacuum circuit breaker (with single isolation knife)Detailed product description：

ZW8-12/630-20 outdoor high-voltage vacuum circuit breaker (with single isolation knife)

I. Overview
ZW8-12/630-20 outdoor high-voltage vacuum circuit breaker is a three-phase AC 50Hz outdoor high-voltage switchgear. Mainly used for 10KV systems in rural and urban power grids, it is only used for dividing and combining load currents, overload currents, and short-circuit currents, and can also be used in other similar places.

2、 Main technical parameters

serial number	project		unit	parameter
one	rated voltage		KV	twelve
two	rated current		A	six hundred and thirty
three	Power frequency withstand voltage (1min)		KV	forty-two
four	Lightning impulse withstand voltage (peak value)		KV	seventy-five
five	Rated short-circuit breaking current		KA	twenty
six	Rated short-circuit closing current		KA	fifty
seven	Rated peak withstand current		KA	fifty
eight	4S short-time withstand current		KA	twenty
nine	Rated operating sequence		KA	Fen-0.3S-180S-HeFen
ten	Rated short-circuit current breaking times		time	thirty
eleven	mechanical life		time	ten thousand
twelve	Rated voltage of energy storage motor		V	-24, -48 ≈ 10, ≈ 220
thirteen	Rated operating voltage (Equipped with CT type spring operating mechanism)	Opening coil and closing coil	V	-24, -36, -48 ≈ 10, ≈ 220
fourteen	Rated current of overcurrent release device		A	five
fifteen	Allowable wear thickness of dynamic and static contacts		mm	three
sixteen	weight		kg	one hundred and sixty-five

3、 Ordering Notice
Please specify when placing an order
The model, name, quantity, breaking current, current ratio of the equipped current transformer, operating mode, and usage scenario of the product.

4、 ZW8-12/630-20 outdoor high-voltage vacuum circuit breaker (with single isolation knife) installation size: 500 × 400