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100A main switch isolator for safe disconnection and maintenance
Pair with Surge Protection Devices for 18th Edition compliance
Installer Tip: Choose the C40 RCBO variant when you need overload + earth leakage protection built in
The PME relay continuously monitors all three phases at 400/415V
The WFD140B-030 is a 40A
Type A RCBO – 10A B Curve, 30mA Consumer Unit 100A main switch isolator forThe WRT110B 030 is a 10A B Curve Type A RCBO combining residual current and overcurrent protection in one compact device. It features switched live and neutral disconnection for full isolation, a high immunity design to reduce nuisance tripping, and bi directional wiring for use in solar PV, EV charging, and inverter fed circuits. Designed to detect both AC and pulsating DC leakage currents, it ensures compliance with the 18th Edition Wiring
