4-pole RCCBs and RCBOs
4-pole residual current circuit breakers (RCCB) and RCBOs for three phases and neutral conductor: residual current protection and – with the RCBO – additional overcurrent and short-circuit protection in one device.
4-pole residual current circuit breakers (RCCB) and RCBOs for three phases and neutral conductor: residual current protection and – with the RCBO – additional overcurrent and short-circuit protection in one device.