Indoor High Voltage Switchgear

The switchgear with high breaking capacity and low cut-off value of VS1 vacuum circuit breaker or VD4 vacuum circuit breaker can reliably prevent misoperation, prevent the load from being pushed in, prevent handshake when the grounding switch is closed, prevent live, wrong grounding switch,...

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Description

202010311634599889732

Indoor High Voltage Switchgear

Main technical parameters
Rated voltage	.....................................	kV	3.6,7.2,12
Rated frequency	.....................................	Hz	50
Rated current of circuit breaker	.....................................	A	630/4000
Rated current of switchgear	.....................................	A	630/4000
Rated short-time withstand current (4S)	.....................................	kA	20,25,31.5,40
Rated peak withstand current (peak)	.....................................	kA	50,63,80,100
Rated short-circuit breaking current	.....................................	kA	20,25,31.5,40
Rated insulation level 1min power frequency withstand voltage	Pole-to-pole, pole-to- ground	kV	24,32,42
	Between open contacts	kV	24,32,48
Lightning impulse withstand voltage (peak)	Pole-to-pole, pole-to- ground	kV	40,60,75
Lightning impulse withstand voltage (peak)	Between open contacts	kV	46,70,85
The shell is IP4X, and it is IP2X when the compartment door and circuit breaker chamber door are opened