Circuit Protection Devices – RCBOs, RCDs & MCBs
Explore our full range of circuit protection devices - from MCBs and RCDs to high-spec RCBOs. Whether you're upgrading a board, replacing a tripped unit, or speccing out a new install, we've got you covered. All products are UK-stocked, 18th Edition compliant, and available with free next-day delivery on orders over £30.
Three Phase 4 Pole Surge Protection Device WSPD440
£28.00
The WSPD440 is a high-performance 4 Pole Type 2 Surge Protection Device designed to protect three-phase systems with neutral (3P+N) from voltage transients, lightning strikes, and switching surges. Rated at 40kA max discharge, it offers full coverage for residential, commercial, and industrial installs where critical...
RCD Upgrade Unit
£20.88
This compact RCD Upgrade Unit is a 2-module plastic enclosure pre-fitted with an RCD of your choice - available in 40A, 63A, 80A, or 100A variants. It’s ideal for installations where the existing consumer unit lacks RCD protection, or where standalone fault protection is required...
IP65 Plastic Pen Fault Detection Unit with Load Balancing Relay
£149.50
The IP65 PEN Fault Detection Unit with Load Balancing Relay is a site-ready solution for EV charge point installs where PEN fault protection is mandatory. Designed to comply with 18th Edition Amendment 2, this weatherproof board safely isolates Live, Neutral, and Earth conductors in the...
Arc Fault Detection A-Type RCBO - WFD1**B-030
£103.40
The WCED WFD1 Series Type A AFDD RCBO is a next-generation circuit protection device that combines arc fault detection, residual current protection (30mA), short-circuit and overload protection into one compact, single-module unit. Designed to meet BS 7671:2018 (18th Edition) safety standards, it offers the highest...