18 Way IP40 Metal Enclosure – For MCBs & RCBOs (WME18)
18th Ed. Compliant
2-Year Warranty
UK Stock
Free Delivery £30+
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The WME18 is a large-capacity IP40-rated metal enclosure designed for use with MCBs, RCBOs, and other DIN-rail–mounted devices in multi-circuit installations. Built from steel with a durable white polyester powder-coated finish, it provides a compliant and professional containment solution for high-demand distribution setups across residential, commercial, and light industrial sites....
The WME18 is a large-capacity IP40-rated metal enclosure designed for use with MCBs, RCBOs, and other DIN-rail–mounted devices in multi-circuit installations. Built from steel with a durable white polyester powder-coated finish, it provides a compliant and professional containment solution for high-demand distribution setups across residential, commercial, and light industrial sites.
Installer Tip: For boards this size, keep conductor grouping tight and route CPCs together to simplify testing and meet BS 7671 Regulation 514.9.1 labelling and identification requirements.
- 18 usable ways – ideal for larger installations or multi-circuit distribution
- Raised DIN rail for neat cable management and access
- Neutral and earth terminal bars supplied
- Multiple knockout entry points (25mm & 32mm top/bottom, 40mm sides/back)
- Raised keyholes for secure and level mounting
- Steel construction with durable white polyester coating
- Compatible with all standard 18mm MCBs and RCBOs
| Part Code | Description | Dimensions (W × H × D mm) |
|---|---|---|
| WME10 | 10 Way IP40 Metal Enclosure | 232 × 240 × 112 |
| WME12 | 12 Way IP40 Metal Enclosure | 304 × 240 × 112 |
| WME14 | 14 Way IP40 Metal Enclosure | 304 × 240 × 112 |
| WME16 | 16 Way IP40 Metal Enclosure | 376 × 240 × 112 |
| WME18 | 18 Way IP40 Metal Enclosure | 376 × 240 × 112 |
| WME22 | 22 Way IP40 Metal Enclosure | 448 × 240 × 112 |
The WME18 provides excellent internal space for large wiring schemes while maintaining accessibility and compliance. Its consistent design across the WME range makes it easy to scale up installations while keeping board layout and specification uniform across sites.
Is the WME18 supplied pre-wired?
No. It’s supplied as an empty enclosure for installers to populate with their own devices.
Can it be used outdoors?
No. The WME18 is IP40 rated and suitable for indoor environments only.
Does the enclosure come with busbars?
No. Busbars must be purchased separately to match the required configuration.
What makes this enclosure suitable for larger boards?
Its extended 18-way layout provides extra space for multi-circuit wiring and additional devices, making it ideal for high-load or segmented installations.
Does it comply with 18th Edition regulations?
Yes. When installed correctly, it meets the enclosure requirements outlined in BS EN 62208 and BS 7671 Amendment 2.
- Material: Steel, white polyester powder coated
- Ingress Protection: IP40 (indoor use only)
- DIN Rail: Raised 18mm rail
- Knockouts: 25mm & 32mm (top/bottom), 40mm (sides/back)
- Terminals: Supplied with neutral and earth bars
- Mounting: Raised keyholes for secure fixing
- Dimensions: 376 × 240 × 112 mm
- Compliance: BS EN 62208, BS 7671 (18th Edition)
Mount the enclosure securely using the raised keyholes and ensure all fixings are level. Check that all knockouts are clean and properly grommeted before feeding cables. Keep internal wiring well organised, grouping circuits logically for inspection and testing. Always verify CPC continuity and insulation resistance upon completion, per BS 7671 Chapter 64.
- Install only in dry, ventilated environments
- Maintain separation between live and protective conductors
- Use correct torque settings on terminal bars
- Ensure knockouts do not compromise IP40 protection
- Label circuits clearly to BS 7671 standards
