Main Switch Consumer Unit – WME16/MS100 (16 Module, 100A)
18th Ed. Compliant
2-Year Warranty
UK Stock
Free Delivery £30+
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The WME16/MS100 Main Switch Consumer Unit is a 16-module metal enclosure supplied with a 100A main switch incomer. With 14 usable ways, it provides ample capacity for large domestic properties, HMOs, or small commercial installations. Built in powder-coated steel with raised DIN rails, multiple knockouts, and pre-fitted earth/neutral bars, it’s...
The WME16/MS100 Main Switch Consumer Unit is a 16-module metal enclosure supplied with a 100A main switch incomer. With 14 usable ways, it provides ample capacity for large domestic properties, HMOs, or small commercial installations. Built in 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 14-way board offers plenty of headroom for modern homes with EV chargers, heat pumps, or smart tech — and leaves space for future expansion.
Key Features
- 16-module metal enclosure – 14 usable ways
- 100A main switch – double-pole isolator included
- Compliance: BS7671:2018 (Amendment 2) & BS EN 61439
- Flexible install: knockouts on all sides and rear
- Installer-ready: raised DIN rail, earth & neutral bars supplied
- 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 | 14 | 12 | 100A Main Switch | 304 × 240 × 112 |
| WME16/MS100 (This Product) | 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 |
Does this unit include breakers?
No – it comes with a 100A main switch incomer only. Add MCBs or RCBOs to suit your installation.
Who typically uses a 14-way consumer unit?
It’s commonly installed in larger homes, HMOs, or light commercial properties where many separate circuits are required.
Is it compliant with Amendment 2?
Yes – fully compliant with BS7671:2018+A2:2022 and manufactured to BS EN 61439 standards.
Does it include neutral and earth bars?
Yes – both are pre-fitted, with all necessary cabling included.
- SKU: WME16/MS100
- Incomer: 100A main switch (non-RCD)
- Modules: 16
- Usable Ways: 14
- Construction: Steel, powder-coated finish
- Mounting: Surface mount with raised DIN rail
- Cable Entry: Multiple knockouts (25/32mm top/bottom, 40mm sides/rear)
- Earth & Neutral: Supplied with bars and cables
- Compliance: BS EN 61439; BS7671:2018 (Amendment 2)
- Dimensions (WxHxD): 340 × 240 × 112 mm
The WME16/MS100 is supplied with a pre-fitted 100A main switch but no protective devices. Circuit population must be completed by a qualified electrician.
- Mount securely on a flat surface with access for inspection
- Use knockouts with suitable glands/bushes to protect cable entry
- Fit protective devices (MCBs/RCBOs) as per design
- Verify bonding and earth continuity before energising
