Market activists FDB Electrical once again offer a really serious electrical protection device – in this case the FDB 17 RCCB/ECM with 3-phase socket outlet. This unit is designed specifically for use with remote, transportable or mobile industrial equipment such as steam cleaners, floor polishers, power distribution trolleys, generators, pumps etc, where it provides an Earth Monitor and Trip function incorporating a triple pole MCCB for overcurrent and short circuit protection.