High Immunity Type A Mini RCBO – 40A B Curve (WRB140B-030) Metal Switch Fuse it provides overload and short-circuit

it provides overload and short-circuit protection alongside under/over-voltage monitoring

and appliance circuits while leaving spare capacity for future additions

and EV-compliant

Time delay (S-Type) – ensures selective tripping in upstream positions

ensuring safer maintenance and compliance with BS 7671 (18th Edition)

High Immunity Type A Mini RCBO – 40A B Curve (WRB140B-030) Metal Switch Fuse it provides overload and short-circuitThe WRB140B 030 High Immunity Type A Mini RCBO is a 40A B Curve protective device for residential and commercial circuits requiring higher current handling. At just 18mm wide, it combines overload, short circuit, and residual current protection in a single compact module. With 30mA Type A sensitivity and a high immunity build, it ensures safe and stable protection for EV chargers, socket outlets, and fixed appliance circuits in line with 18th Edition