Sealed Vacuum Circuit Breaker

The WNV6-12/24KV sealed vacuum circuit breaker produced by our company adopts standardized design and high interchangeability. Products of the same specification can be interchanged without adjustment, which is convenient for inspection and maintenance; the operating mechanism adopts modular design and is integrated with the circuit breaker body. It has a reliable and complete mechanical and electrical anti-error interlocking system to ensure the safety of operation and maintenance.

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Features
Technical Indicators
Overall Dimension


Item unit parameter Rated voltage kV 12 24 Rated frequency Hz 50 Rated current A 630/1250/1600/2000/2500/3150 Rated short-circuit breaking current kA 20/25/31.5/40 Rated short-circuit closing current (peak value) kA 50/63/80/100 Rated short-circuit duration s 4 Rated short-circuit breaking current breaking times time 20 Rated operation sequence open-t-close open-t1-close open Rated lightning impulse withstand voltage kV 75/85 125/145 Rated 1min power frequency withstand voltage kV 42/48 65/79 Mechanical life time 10000 Secondary circuit power frequency withstand voltage V 2000

Item	unit	parameter
Rated voltage	kV	12	24
Rated frequency	Hz	50
Rated current	A	630/1250/1600/2000/2500/3150
Rated short-circuit breaking current	kA	20/25/31.5/40
Rated short-circuit closing current (peak value)	kA	50/63/80/100
Rated short-circuit duration	s	4
Rated short-circuit breaking current breaking times	time	20
Rated operation sequence		open-t-close open-t1-close open
Rated lightning impulse withstand voltage	kV	75/85	125/145
Rated 1min power frequency withstand voltage	kV	42/48	65/79
Mechanical life	time	10000
Secondary circuit power frequency withstand voltage	V	2000