Installer Tip: Choose C Curve devices for inductive loads where inrush occurs (motors
and tested to BS 7671 (18th Edition)
and small sub-distribution panels across commercial three-phase boards
3 module enclosure – extra internal space compared with the 2 module version
Complies with BS EN 62208 and BS 7671 (18th Edition)
High Immunity RCBO – 20A C Curve, Type A, 30mA (WER20C-030) A Type EV RCBO Kit & Surge Installer Tip: Choose C CurveThe WER20C 030 is a 20A C Curve High Immunity Type A RCBO designed for EV chargers, motors, heat pumps, and inverter fed systems. It provides combined overload, short circuit, and 30mA residual current protection, while high immunity electronics reduce nuisance tripping from harmonics and transient voltages. Featuring double pole disconnection and bi directional wiring, this RCBO is fully compliant with the 18th Edition Wiring Regulations (Amendment