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Vbi/R-12 Vacuum Circuit Breaker with Lateral Operating Mechanism

Product Description

VBI/R-12 Vacuum circuit breaker with Lateral Operating Mechanism
 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.

Technical Information
Technical Specification    
Rated voltageKV   
Rated frequencyHZ   
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 currentA630
Rated short-circuit breaking current 202531.5
Rated short-term withstand current(rated short-term thermal stable current) 202531.5
Rated  short  circuit closing currentKA506380
Rated  peak tolerance current (rated dynamic stable current) 506380
Disconnecting current of dissimilar grounding fault 17.421.7527.4
Rated short circuit durantion (rated thermal stability time)S 4 
Rated operation sequence O-0.3s-CO-180s-CO
Rated short-circuit breaking current breaking timesTimes 30 
Rated cable charging breaking current  25 
Rated single capacitor bank breaking currentA 630 
Rated back-to-back capacitor bank breaking current  400 
Mechanical lifeTimes 10000 
Dynamic and static contacts allow wear cumulative thicknessmm 3 

Overall and installation dimensions
Vbi/R-12 Vacuum Circuit Breaker with Lateral Operating Mechanism


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