Single Module 2 Pole RCBO 20A B Curve WRN20B-030 Plastic Garage Units Twin-handle indicator – overload vs

Twin-handle indicator – overload vs leakage fault display

The WME440SP Metal Surge Arrestor Unit provides a simple and compliant way to add surge protection to an existing installation

Enclosure: 4 module mini plastic case with sealed lid and lockable cover

4 Pole A-Type RCD – full disconnection of line + neutral

Single Module 2 Pole RCBO 20A B Curve WRN20B-030 Plastic Garage Units Twin-handle indicator – overload vsThe WRN20B 030 is a 20A Type A RCBO in a single module, 2 pole design providing both residual current (RCD) and overcurrent (MCB) protection in one compact device. It detects AC and pulsating DC leakage currents, making it suitable for modern domestic and commercial installations. With a built in switched neutral, this RCBO ensures full circuit isolation on fault while keeping healthy circuits in service. Installer Tip: For socket circuits and small