Vsg/R Vacuum Circuit Breaker with Lateral Operating Mechanism

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Withdrawable
• Structure: Vcb
• Model NO.: VSG/R
• Poles Number: 3 Pole
• Type: Circuit Breaker
• Function: Short-Circuit
• Certification: ISO9001-2000, CCC
• Transport Package: Plywood
• Trademark: Talent
• Origin: China
• HS Code: 8535210000
• Production Capacity: 5000 Pieces/Year

Product Description

VSG/R Vacuum Circuit Breaker with Lateral Operating Mechanism
Description
 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 witchstand 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		O-0.3s-CO-180s-CO  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
Main circuit resistance
Rated current:630A	μΩ		≤50		≤45
Rated  current:1250A			≤40		≤35
Interphase centre distance	mm		210±2		210,270,275

Overall and installation dimensions