Generator Circuit Breakers

Increased Availability, Enhanced Protection and Simplified Operations for Power Plants

GE Vernova’s Generator Circuit Breakers (GCBs) are ideally suited for new and refurbished power plants from 50 MW to 1,500 MW and feature advanced technology with spring-spring-operated mechanisms. The comprehensive GCB portfolio provides solutions from generator circuit breakers without enclosure to customized solutions including disconnector, earthing switch, starting switch and instrument transformers.

Features
  • GCB ranges FKG1, FKG2 and FKGA
  • Spring-spring operated mechanism for utmost reliability
  • Optimised, preventive maintenance with a monitoring system
  • Breaker natural cooling up to 30,000 A and enhanced cooling up to 40,000 A
  • 3,000+ GCB installations and 40+ years of expertise
  • Optimised digital smart cooling solution, optimising the ventilation system in real time
  • Digital proxy communication, including IEC 61850 and Modbus TCP