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Generator circuit-breakers (GCB)

ABB generator circuit-breaker HVS-63S

GCB system with innovative build-in monitoring

Shake proof?

The world’s most powerful GCB, HEC 9 and the compact open-type GCB, HVR-63 have been put to the test, doubling the standard seismic qualification levels (1g).

FAQ's about Generation Circuit Breaker (GCB) monitoring

Recorded at ABB Power and Automation World 2012 in Houston, TX.

Lean, clean production machine

ABB's award-winning GCB factory in Switzerland has set a lean manufacturing benchmark by doubling production capacity, halving the floor space and cutting production time from 3 weeks to 2 days.

Stay one step ahead with ABB’s GMS600 monitoring systems

GMS600 is ABB’s next-generation monitoring system for generator circuit breakers (GCB) to enhance power plant reliability.