ABB’s range of Breakers runs from the compact to the comprehensive, offering protection in flexible form factors suited to every application.
Protection goes beyond generators and motors to encompass feeders, transformers and capacitor banks to name a few. Overcurrent and earth-fault protection is available where needed, and breakers can be fitted to standard 19-inch frames or mounted onto a DIN rail as preferred.
Breaker protection REQ650
provides a standalone
solution for applications where the integration of
the breaker failure protection or automatic reclosing
function into the main line protection IED (Intelligent
Electronic Device) is not preferred or suitable. This IED
also offers local back-up protection, synchronizing,
synchrocheck and energizing check functionality to
enable well-structured and reliable protection for various