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Product Details

Place of Origin	Shaanxi, China		Brand Name	YS
Model Number	CKVB

Name		Units	parameters
Rated voltage		kV	12
Rated insulation level	Rated short-term whithstand voltage	kV	42
	Lightning Impulse whithstand voltage	kV	75
Rated Frequency		Hz	50
Secondary circuit voltage frequency tolerance		V	2000
Rated Current		A	630	1250		1600
Rated short-term whithstand current		kA	25	25	31.5	31.5
Rated peak current tolerance		kA	63	63	80	80
Rated short-circuit breaking current		kA	25	25	31.5	31.5
Rated short-circuit closing current		kA	63	63	80	80
Rated cable charging breaking current		A	25
Rated capacitor current portfolio Closing		kA	12.5
Rated a single / back-to-back capacitor bank breaking current		A	630/400
Operation order			-0.3s--180s-
Mechanical life			20000
Breaking number of rated current(electrical life)			20000
number of Rated short-circuit current breaking			50
clearance between open gap		mm	11±1
overtravel		mm	3.5±1
Average closing speed		m/s	0.5~0.8
Average opening speed		m/s	0.9~1.2
closing time		ms	35~70
opening time		ms	20~50
Arcing time		ms	≤15
Contact closing bounce time		ms	≤2
Three-phase contact line at different periods of gate		ms	≤2
Dynamic and static contact allowed to wear a total thickness		mm	3

Xian Yuanshun Electrical Co., Ltd.: Contact nameRachel Hu
Chat Now; Phone86-029-63652215; AddressRm. 3006, Bldg. D, Wangzuo Xiandai City, High-Tech Zone

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Circuit Breaker