Twin RCD Metal Consumer Units WME22100TR/SP
18th Ed. Compliant
2-Year Warranty
UK Stock
Free Delivery £30+
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The WME22100TR/SP Twin RCD Metal Consumer Unit is the top-capacity model in the range, supplied with a 100A main switch, two 100A RCDs, and a factory-fitted Type 2 Surge Protection Device (SPD). It provides 14 usable ways across a 22-module enclosure, making it the go-to choice for larger domestic and...
The WME22100TR/SP Twin RCD Metal Consumer Unit is the top-capacity model in the range, supplied with a 100A main switch, two 100A RCDs, and a factory-fitted Type 2 Surge Protection Device (SPD). It provides 14 usable ways across a 22-module enclosure, making it the go-to choice for larger domestic and commercial installs requiring both maximum load handling and surge compliance under Amendment 2.
Installer Tip: The WME22100TR/SP combines maximum load headroom with a built-in SPD. Perfect for high-demand homes or small commercial premises with EV chargers, solar arrays, or other surge-sensitive systems.
Key Features
- 22-module metal enclosure – 14 usable ways
- 100A main switch – double-pole isolator
- 2 × 100A RCDs – maximum load capacity
- Type 2 SPD included – compliant with Amendment 2
- Fire-resistant metal build – regulation-ready
- Pre-assembled internals – busbars, neutral links, and SPD pre-wired
- UK-stocked – available for fast delivery
Compare Twin RCD Consumer Unit Variants
| Model | Modules | Usable Ways | RCDs | Main Switch | SPD | Dimensions (mm) |
|---|---|---|---|---|---|---|
| WME22100TR | 22 | 16 | 2 × 100A | 100A | – | 448 × 240 × 112 |
| WME22100TR/SP (This Product) | 22 | 14 | 2 × 100A | 100A | Type 2 | 448 × 240 × 112 |
| WME2280TR | 22 | 16 | 2 × 80A | 100A | – | 448 × 240 × 112 |
| WME2280TR/SP | 22 | 14 | 2 × 80A | 100A | Type 2 | 448 × 240 × 112 |
What sets the WME22100TR/SP apart?
This model provides maximum load handling with dual 100A RCDs and includes a built-in Type 2 SPD, offering full compliance and surge resilience in one enclosure.
How many circuits can this board handle?
It provides 14 usable ways, suitable for high-demand residential installs or small commercial jobs needing surge protection.
When is surge protection required?
SPD is mandatory in most new builds and strongly recommended for installs with EV chargers, solar PV, or sensitive electronics.
Is the SPD serviceable?
Yes – the modular Type 2 SPD can be replaced independently of the rest of the unit.
- SKU: WME22100TR/SP
- Enclosure Type: Metal consumer unit, split-load
- Module Size: 22
- Usable Ways: 14
- Main Switch: 100A double-pole isolator
- RCDs: 2 × 100A
- SPD: Type 2 surge protection fitted
- Compliance: BS EN 61439-3, 18th Edition Amendment 2
- Dimensions (WxHxD): 448 × 240 × 112 mm
- Mounting: Surface
The WME22100TR/SP is supplied pre-fitted with main switch, RCDs, and SPD. Final circuit protection (MCBs/RCBOs) must be installed by a qualified electrician in line with BS 7671 and site requirements.
- Fix securely using rear/side mounting holes
- Use knockouts with suitable glands for cable entry
- Torque all terminals to manufacturer specification
- Keep SPD earth connection as short as possible
- Clearly label circuits for handover and inspection
