Main Switch Consumer Units
Our Main Switch Consumer Units are durable metal enclosures fitted with a 100A main switch incomer. Supplied empty or part-loaded, they provide a reliable base for domestic and light commercial installations where you need a compliant board ready for RCBO/MCB configuration. Built to the latest BS7671:2018 (Amendment 2) requirements and...
Our Main Switch Consumer Units are durable metal enclosures fitted with a 100A main switch incomer. Supplied empty or part-loaded, they provide a reliable base for domestic and light commercial installations where you need a compliant board ready for RCBO/MCB configuration.
Built to the latest BS7671:2018 (Amendment 2) requirements and BS EN 61439 standards, these units include raised DIN rails, neutral and earth bars, and multiple knockouts for flexible cable entry. Finished in white powder-coated steel for long-lasting protection.
Available variants:
- WME04/MS100 – 2 usable ways
- WME06/MS100 – 4 usable ways
- WME08/MS100 – 6 usable ways
- WME10/MS100 – 8 usable ways
- WME12/MS100 – 10 usable ways
- WME14/MS100 – 12 usable ways
- WME16/MS100 – 14 usable ways
- WME18/MS100 – 16 usable ways
- WME22/MS100 – 20 usable ways
Which size to choose? Select based on circuit design: small 2–6 way boards suit garage or outbuilding installs, while 12–20 way units are ideal for larger domestic or small commercial properties.
- Fitted incomer: 100A main switch
- Metal construction: White powder-coated steel
- Flexible install: Knockouts top, bottom, sides, and rear
- Installer-friendly: Raised DIN rail and keyholes for neat cable routing
- Compliant: BS7671:2018 (A2) and BS EN 61439
Are these units supplied with breakers?
No – they are supplied with a 100A main switch incomer. You’ll need to add MCBs or RCBOs as required by your installation design.
What sizes are available?
From 2 usable ways up to 20 ways, covering everything from small outbuildings to full domestic installs.
Are these boards compliant with 18th Edition regs?
Yes – they meet BS7671:2018 (Amendment 2) and BS EN 61439 requirements for consumer units.
Do they include earth and neutral bars?
Yes – all units are supplied with neutral and earth terminal bars, plus a neutral cable and pin-style busbar.
- Incomer: 100A main switch (non-RCD)
- Usable Ways: 2, 4, 6, 8, 10, 12, 14, 16, 20
- Construction: Steel, powder-coated finish
- Mounting: Surface mount with raised DIN rail
- Cable Entry: Multiple circular knockouts (25/32mm top/bottom, 40mm sides/rear)
- Earth & Neutral: Supplied with terminal bars and cables
- Standards: BS EN 61439; BS7671:2018 (Amendment 2)
- Dimensions (example sizes):
- WME06/MS100 (4 way): 160 × 240 × 112 mm
- WME12/MS100 (10 way): 232 × 240 × 112 mm
- WME18/MS100 (16 way): 376 × 240 × 112 mm
- WME22/MS100 (20 way): 400 × 240 × 112 mm
These consumer units are supplied with a pre-fitted 100A main switch but no protective devices. Final installation and circuit population must be carried out by a qualified electrician.
- Use knockouts with appropriate glands/bushes to maintain enclosure integrity
- Mount on a flat, secure surface with clear access for future inspection
- Ensure protective devices (MCBs/RCBOs) match the system design
- Confirm bonding and earth continuity before energising