2CSF204401R1400
ABB
4IP2X30–100 A
Ref. price$73.66
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Residual Current Breakers (RCCB/RCBO)
About Residual Current Breakers (RCCB/RCBO)
RCCBs and RCBOs add earth-leakage protection to a circuit, interrupting current when a fault to ground is detected. RCBOs combine this residual-current function with overload and short-circuit protection in a single DIN-rail module, while RCCBs are used alongside an upstream MCB.
