Main Switch Consumer Unit – WME10/MS100 (10 Module, 100A)
18th Ed. Compliant
2-Year Warranty
UK Stock
Free Delivery £30+
Secure Payments With


The WME10/MS100 Main Switch Consumer Unit is a 10-module metal enclosure supplied with a 100A main switch incomer. With 8 usable ways, it’s ideal for small to medium domestic installs where more circuits are needed than a garage/outbuilding board but not a full-size 12–22 way system. Built from durable powder-coated...
The WME10/MS100 Main Switch Consumer Unit is a 10-module metal enclosure supplied with a 100A main switch incomer. With 8 usable ways, it’s ideal for small to medium domestic installs where more circuits are needed than a garage/outbuilding board but not a full-size 12–22 way system. Built from durable powder-coated steel with raised DIN rails and multiple knockouts, it’s ready to be populated with MCBs or RCBOs.
Installer Tip: The 8-way board is a versatile choice for small houses or flats with multiple circuits. It balances compact size with enough room to future-proof for additional loads.
Key Features
- 10-module metal enclosure – 8 usable ways
- 100A main switch – double-pole isolator included
- Compliant: BS7671:2018 (Amendment 2) & BS EN 61439
- Multiple cable entries: knockouts on top, bottom, sides, and rear
- Installer-friendly: raised DIN rail, earth & neutral bars pre-fitted
- Durable finish: powder-coated steel
Compare Main Switch Consumer Unit Variants
Model | Modules | Usable Ways | Incomer | Dimensions (mm) |
---|---|---|---|---|
WME04/MS100 | 4 | 2 | 100A Main Switch | 160 × 240 × 112 |
WME06/MS100 | 6 | 4 | 100A Main Switch | 160 × 240 × 112 |
WME08/MS100 | 8 | 6 | 100A Main Switch | 200 × 240 × 112 |
WME10/MS100 (This Product) | 10 | 8 | 100A Main Switch | 216 × 240 × 112 |
WME12/MS100 | 12 | 10 | 100A Main Switch | 232 × 240 × 112 |
WME14/MS100 | 14 | 12 | 100A Main Switch | 304 × 240 × 112 |
WME16/MS100 | 16 | 14 | 100A Main Switch | 340 × 240 × 112 |
WME18/MS100 | 18 | 16 | 100A Main Switch | 376 × 240 × 112 |
WME22/MS100 | 22 | 20 | 100A Main Switch | 400 × 240 × 112 |
Are breakers included?
No – this board comes with a 100A main switch incomer only. Add MCBs or RCBOs to match your installation.
Where is an 8-way consumer unit used?
Best for small to medium homes, flats, or extensions with multiple circuits. It provides capacity for today’s needs plus some room for expansion.
Does it meet UK regs?
Yes – it’s Amendment 2 compliant (BS7671:2018+A2:2022) and manufactured to BS EN 61439 standards.
Are earth and neutral bars included?
Yes – supplied with both earth and neutral bars, plus a pin-style busbar.
- SKU: WME10/MS100
- Incomer: 100A main switch (non-RCD)
- Modules: 10
- Usable Ways: 8
- 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
- Compliance: BS EN 61439; BS7671:2018 (Amendment 2)
- Dimensions (WxHxD): 216 × 240 × 112 mm
The WME10/MS100 is supplied with a pre-fitted 100A main switch but no protective devices. Final installation and population with MCBs/RCBOs must be carried out by a qualified electrician.
- Mount securely on a flat surface with allowance for inspection
- Use knockouts with glands/bushes to maintain enclosure integrity
- Fit devices according to your circuit design
- Confirm bonding and earth continuity before energising