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VSG/R Vacuum Circuit Breaker with Lateral Operating Mechanism

VSG/R Vacuum Circuit Breaker with Lateral Operating Mechanism is fixed installation. It is mainly used for fixed switchgear. The circuit breaker can be used alone. It is more suitable for ring network power supply, box transformer or various non-standard power supply systems.

parameters

Technical Information

Technical Specification
Rated voltage			kV			12		24
Rated current				A		630,1250,1600,2500,3150
Rated Frequency			Hz			50		50
Rated insulation level		1min power frequency withstand voltage	kV			42/48		65
		Lightning impulse withstand voltage	kV			75/85		125
Rated short circuit breaking current			kA		20/25		31.5	31.5
4S rated short circuit withstand current			kA		20/25		31.5	31.5
Rated peak tolerable current			kA		50/63		80	80
Rated short circuit switching current (peak value)			kA		50/63		80	80
Operation sequence of automatic reclosure					分-0.3s-合分-180s-合分 Score-0.3s-Score-180s-Score
Arcing time			ms				≤15
Rated short circuit breaking current			Times		100		50	100
Mechanical life			Times			20000		20000
Contact opening (according to vacuum tube)			mm			11±1(9±1)		13±1
Contact overrun			mm			3.5±0.5		3±1
Contact closing bounce time			ms			≤3		≤2
Different Periods of Three-phase Closing			ms			≤2		≤2
Opening speed			m/s			0.9~1.5		0.9~1.7
Closing speed			m/s			0.5~0.9		0.6~1.0
Opening time			ms			≤50		20~50
Closing time			ms			≤100		35~70
		Rated current: 630 A		μΩ		≤50		≤45
Main circuit resistance	Rated current: 1250 A					≤40		≤35
Interphase centre distance			mm			210±2		210,270,275

Overall and installation dimensions

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VSG/R Vacuum Circuit Breaker with Lateral Operating Mechanism