BG Circuit Protection Main Switch Consumer Units with SPD

Shop BG Fortress main switch consumer units with integrated Surge Protection Device (SPD) — a compliant, future-ready solution for domestic electrical installations requiring both main switch isolation and built-in surge protection. Designed to meet BS 7671 18th Edition Wiring Regulations, these consumer units protect sensitive appliances and electronics against transient overvoltages caused by lightning strikes and power surges, without the need for a separate SPD enclosure.

Trusted by professional electricians and contractors across the UK, BG Fortress consumer units with SPD offer a clean, efficient installation in a single robust enclosure — ideal for new builds, rewires and consumer unit upgrades.

Key Features of BG Fortress Main Switch Consumer Units with SPD

• Integrated Surge Protection Device (SPD) — Type 2 SPD built in, protecting against voltage spikes and lightning-induced surges
• 100A main switch isolator — allows safe isolation of the full installation
• Dual RCD protection — splits circuits to minimise disruption in the event of a fault
• Compliant with BS 7671 18th Edition — meets current wiring regulations for new installations
• Compatible with BG Fortress MCBs and RCBOs — for flexible circuit configuration
• Robust, corrosion-resistant enclosure — built for long-term reliability in domestic environments

All BG Fortress main switch consumer units with SPD are available for fast UK delivery from RS Electrical Supplies, your specialist electrical wholesaler.