Vbi Series Indoor Vacuum Circuit Breaker

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: VBI
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Withdrawable
• Structure: Vcb
• 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

VBI series Vacuum Circuit Breaker, Indoor type
1.Description
VBI indoor high voltage vacuum circuit breaker is a three-phase AC 50/60HZ, rated voltage of 12kv and 24kv indoor swtichgear, control and prtotection for industrial and mining enterprises power plants and substations, electrical facilities, and for frequent operation place. Adopting Spring operating mechanism and circuit breaker integrated, design can be used as a fixed installation unit can also be equipped with special advance mechanism, the composition of handcart unit used. Some of the main circuit can use the whole solid seal post, in order to achieve saller circuit breakers, high reliability, maintenance-free, can be equipped with KYN28A and other handcart switch cabinet in the home can alse be used with fixed XGN switchgear.
2. Parameters
Technical Information

Technical Specification
Rated voltage	KV		12			24
Rated Short circuit breaking capacity 4sec.	KA	20/25	31.5	40	20/25		31.5
			630 125	1250 1600			1250 1600
		630	1600 2000		630
Rated Current	A		2500 3150	2000 2500			2000 2500
		1250			1250
			4000	3150 4000			3150 4000
Rated power frequency	HZ			50/60
Power frequency withstand voltage 50HZ 1 min	KV		45			65
Impulse withstand voltage 1.2/50μs	KV		75			125
Peak withstand current	KA Peak.	63	80	100	50/63
Making capacity	KA	63	80	100	50/63
Operation sequence	times/h
Mechanism Endurance	cycles			10000

Overall and installation dimensions