High Immunity Type A Mini RCBO – 20A B Curve (WRB120B-030) 10kA MCBs & Auto Resetting MCBs see the 6A / 20A

see the 6A / 20A version

For larger projects or where surge protection is required

it delivers safe isolation and full surge compliance in a robust steel housing

Installer Tip: The 6 A / 32 A combination is perfect for garages or workshops with lighting and a single heavy-duty circuit — such as an EV charger

IP65 weatherproof enclosure – suitable for external mounting

High Immunity Type A Mini RCBO – 20A B Curve (WRB120B-030) 10kA MCBs & Auto Resetting MCBs see the 6A / 20AWRB120B 030 is a 20A B Curve high immunity Type A mini RCBO designed for general purpose domestic and commercial circuits. It combines overload, short circuit, and residual current protection in one compact single module device, making it ideal where board space is limited. As part of the Whitecliffe WRB range, this RCBO provides Type A protection, detecting standard AC faults and pulsating DC components. The high immunity design helps reduce nuisance