RCBO

RCBO breakers with combined protection

An RCBO combines residual-current protection with overload and short-circuit protection in one device. It is a compact choice for distribution boards where an individual circuit needs both leakage-current monitoring and overcurrent protection.

Compare ABB and Schneider Electric RCBOs in 2-pole and 4-pole versions, with a range of current ratings and 30 mA or 300 mA residual-current sensitivity. RCBOs are commonly used for socket, lighting and equipment circuits where selective protection and easier fault isolation are important. For leakage-current protection used with a separate circuit breaker, see the RCCB collection. Final selection should be confirmed by a qualified electrician.

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