Vacuum Circuit Breakers use vacuum as the arc quenching medium, which gives the highest insulating strength, an extremely short arcing time, quick dielectric recovery and a long contact life with almost no maintenance.
We supply horizontal isolated, horizontal draw-out 12 kV VCB panels with protection relays, breaker on/off and spring charged/discharged indication, trip circuit supervision and racking interlocks. Relay settings and secondary injection testing are done during commissioning by our own site engineers.
Typical applications
- 11 kV sub-station incomers and feeders
- Transformer and generator protection
- Large motor feeders
- Utility and captive generation plants
