Major circuit breaker manufacturers
The manufacturers that dominate the circuit breaker market, and how to choose between them.
Surge protection devices: what you need to know
How surge protection works, the types that exist, and how they are coordinated.
RCCB selection and application
How residual current circuit breakers are chosen, and how they differ from an RCBO.
ABB 100 A MCCB — SACE Tmax
A moulded case circuit breaker class used at sub-main and motor feeder level.
Power factor controller RVC-12
What a power factor controller does, and how its settings affect the capacitor bank it switches.
ABB Compact Home Series MCB
A miniature circuit breaker range for domestic and light commercial final distribution boards.
ABB Moulded Case Circuit Breaker (MCCB)
Moulded case circuit breakers for distribution and motor circuits where an MCB is not rated highly enough.
ABB REF615 feeder protection relay
A feeder protection relay for medium-voltage switchgear, and what it protects against.
ABB Ground Fault Circuit Interrupter (GFCI)
A device that trips when current leaks to earth, protecting people from electric shock.
ABB GFCI Outlet
Socket outlets with built-in earth leakage protection, for circuits where local protection is preferable to a panel device.