Vbi/R-12 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.: VBI/R-12
• 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/R-12 Vacuum Circuit Breaker with Lateral Operating Mechanism
Description
 VBI/R-12 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
Rated frequency	HZ
Rated insulation level
1min power frequency withstand voltage(effective value)  (interphase, relative ground, vacuum fracture)	KV
Lightning impulse withstand voltage(peak) (interphase, relative ground, vacuum fracture)	KV
Rated current	A	630 1250	630 1250	1250 1600
Rated short-circuit breaking current		20	25	31.5
Rated short-term withstand current(rated short-term thermal stable current)		20	25	31.5
Rated  short  circuit closing current	KA	50	63	80
Rated  peak tolerance current (rated dynamic stable current)		50	63	80
Disconnecting current of dissimilar grounding fault		17.4	21.75	27.4
Rated short circuit durantion (rated thermal stability time)	S		4
Rated operation sequence		O-0.3s-CO-180s-CO Score-0.3s-score-180s-score
Rated short-circuit breaking current breaking times	Times		30
Rated cable charging breaking current			25
Rated single capacitor bank breaking current	A		630
Rated back-to-back capacitor bank breaking current			400
Mechanical life	Times		10000
Dynamic and static contacts allow wear cumulative thickness	mm		3

Overall and installation dimensions