Three Phase Electrical Products
Explore our full selection of three-phase components – from surge units and PME boards to isolators and enclosures. Built for industrial reliability and commercial compliance, with full manufacturer warranties and same-day dispatch on stocked lines.
Read more about three-phase consumer units
A three phase board (also called a 3 phase fuse board or 3 phase consumer unit) distributes incoming three-phase supply into multiple protected circuits. They’re essential for commercial and industrial installations where high electrical loads must be balanced safely.
Typical setups include motor circuits, HVAC systems, lighting distribution, and renewable integration. Our three-phase range includes surge protection devices, PME fault detection units, and enclosures – all compliant with BS EN 61439 and 18th Edition Amendment 2.
3 Phase Extension Board 14 Module
£70.00
The WTPNEB14 is a 14-module 3 Phase Extension Board from the WTPN range, designed to expand existing 125A three-phase distribution systems. Built in a robust 1.2mm steel enclosure, it’s ideal for commercial, industrial, and larger domestic installations where additional ways are needed without replacing the...
Three Phase Distribution Board
£145.50
The WTPN range of 125A 3 Phase Distribution Boards delivers robust, regulation-compliant power distribution for commercial, industrial, and larger domestic installations. Supplied as standard with a 125A 4-pole main switch and Type 2 Surge Protection Device (SPD), each unit is built for reliability, safety, and...
What Is a Three Phase Board?
A three phase board – often referred to as a 3 phase fuse board, consumer unit, or panel board – is designed to split an incoming three-phase supply into safe, manageable circuits. Each circuit is protected by fuses or breakers, preventing overload and ensuring compliance with UK wiring regulations.
Where Three Phase Consumer Units Are Used
- Commercial premises with high load demand
- Industrial environments running motors, plant, or HVAC
- Lighting and socket distribution across large buildings
- Renewable or hybrid installations requiring balanced three-phase supply
Compliance & Standards
All three-phase consumer units and accessories supplied are manufactured in line with BS EN 61439 and IEC standards. They are suitable for installs that must meet 18th Edition Amendment 2, including requirements for surge protection and PME safety devices.
Explore Related Categories
Looking for accessories to complete your install? Explore our full range of Surge Protection Devices, PME Fault Detection Units, and Enclosures.