Main Switch Consumer Unit – WME14/MS100 (14 Module, 100A)
18th Ed. Compliant
2-Year Warranty
UK Stock
Free Delivery £30+
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The WME14/MS100 Main Switch Consumer Unit is a 14-module metal enclosure supplied with a 100A main switch incomer. With 12 usable ways, it offers more space than a 10-way board, making it a great fit for larger domestic installs or small commercial projects. Built from powder-coated steel with raised DIN...
The WME14/MS100 Main Switch Consumer Unit is a 14-module metal enclosure supplied with a 100A main switch incomer. With 12 usable ways, it offers more space than a 10-way board, making it a great fit for larger domestic installs or small commercial projects. Built from powder-coated steel with raised DIN rails, multiple knockouts, and pre-fitted earth/neutral bars, it’s installer-friendly and fully compliant with Amendment 2.
Installer Tip: The 12-way board provides flexibility for larger homes or offices, with spare capacity for future loads like EV chargers, extensions, or solar PV circuits.
Key Features
- 14-module metal enclosure – 12 usable ways
- 100A main switch – double-pole isolator included
- Standards: BS7671:2018 (Amendment 2) & BS EN 61439
- Flexible install: knockouts on all sides plus rear
- Installer-ready: raised DIN rail, neutral & earth bars included
- 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 | 10 | 8 | 100A Main Switch | 216 × 240 × 112 |
| WME12/MS100 | 12 | 10 | 100A Main Switch | 232 × 240 × 112 |
| WME14/MS100 (This Product) | 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 – the unit is supplied with a 100A main switch only. Add MCBs or RCBOs as needed.
Who typically uses a 12-way board?
Best suited for larger homes or light commercial installs where more circuits are needed and spare ways are recommended for future expansion.
Is it Amendment 2 compliant?
Yes – fully compliant with BS7671:2018+A2:2022 and manufactured to BS EN 61439 standards.
Are earth and neutral bars supplied?
Yes – each unit includes earth and neutral terminal bars, plus a busbar.
- SKU: WME14/MS100
- Incomer: 100A main switch (non-RCD)
- Modules: 14
- Usable Ways: 12
- Construction: Powder-coated steel enclosure
- 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): 304 × 240 × 112 mm
The WME14/MS100 is supplied with a pre-fitted 100A main switch but no protective devices. Final installation and population with protective devices must be carried out by a qualified electrician.
- Mount securely on a flat, accessible surface
- Use knockouts with glands/bushes for cable entries
- Install MCBs or RCBOs according to your design
- Verify bonding and earth continuity before energising
