Vacuum Circuit Breaker VS1,Indoor Switch-Vacuum Circuit Breaker VS1-Wenzhou Tuyuan Electric Co.,Ltd

VS1 indoor vacuum circuit breaker is used as an indoor switchgear of 12 / 24kV power system and a control and protection unit both electric network equipment and power equipment in industrial enterprise and mine.Owing to its unique advantages, the circuit breaker is especially applicable to the frequent operation of rated working current or the operation with repeated open and close of short circuit. Product complies with the standards GB1984 & IEC62271-100.

The circuit breaker features an integrated design to combine operating mechanism and circuit breaker itself into one. It could be used as a stationary installation unit or assembled into cart unit with some special driving mechanism.

ITEM		UNIT	DATA
Rated voltage		kV	12
Rated insulation level	Rated lightning impulse withstand voltage peak	kV	75
	1min power frequency withstand voltage		42
Rated short-circuit breaking current		kA	20/25	31.5	40
Rated current		A	630/1250	630/1250/1600 2000/2500/3150	1250/1600/2000 2500/3150
Rated thermally stable current (RMS)		kA	20/25	31.5	40
Rated dynamic stabilization current(peak)			63	80	100
Rated short-circuit closing current(peak)			63	80	100
Rated number of short circuit breaking current		times	50
Secondary circuit power frequency withstand voltage		V	2000
Rated sequence of operations			O-0.3-CO-180s-CO
			O-180s-CO-180s-CO
Rated thermal settling time		S	4
Rated single /back to back capacitor bank breaking current		A	630/400 800/400(40kA)
Mechanical life		times	10000

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