WME4L/SP
18th Ed. Compliant
2-Year Warranty
UK Stock
Free Delivery £30+
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The WME4L/SP is a compact 4-module steel enclosure fitted with a Type 2 Surge Protection Device (SPD). Designed for installers who need surge protection in a tight footprint, this unit provides a ready-to-fit solution for residential or commercial upgrades. Manufactured in non-combustible steel with an IP40 rating, the enclosure includes...
The WME4L/SP is a compact 4-module steel enclosure fitted with a Type 2 Surge Protection Device (SPD). Designed for installers who need surge protection in a tight footprint, this unit provides a ready-to-fit solution for residential or commercial upgrades.
Manufactured in non-combustible steel with an IP40 rating, the enclosure includes DIN rail mounting and an earth bar, making it quick to integrate into existing systems. Built to order, it’s ideal where a small, dedicated SPD board is required to meet 18th Edition BS 7671 surge protection regulations.
- 4-way enclosure: Compact format saves space in installs
- Built-in Type 2 SPD: Guards against transient overvoltages
- Steel construction: IP40 rated, non-combustible body
- DIN rail + earth bar: Ready for straightforward wiring
- Applications: Add-on SPD board for homes, offices, or small commercial setups
- Built to order: Please allow 3 days for delivery
What’s included in this unit?
A 4-way IP40 steel enclosure with a factory-fitted Type 2 surge protection device, plus DIN rail and earth bar.
Where should this unit be installed?
It’s typically fitted between the supply meter and the consumer unit, or as a standalone surge board protecting specific circuits.
What is the lead time?
This unit is built to order. Please allow 3 working days before dispatch.
Is this enclosure suitable for 18th Edition compliance?
Yes — it’s fully compliant with BS 7671 (18th Edition) requirements for surge protection devices.
Why use a mini SPD board instead of adding SPD to a consumer unit?
A dedicated mini board is often the neatest option when retrofitting surge protection to an existing install without space for additional devices inside the main board.
- Enclosure: 4 module, steel, IP40
- Protection Device: Type 2 SPD (factory fitted)
- Earth Bar: Included
- Mounting: DIN rail (18mm module width)
- Dimensions: Compact mini board (approx. 110mm W x 175mm H x 90mm D)
- Compliance: BS 7671 (18th Edition), BS EN 61439-3
- SKU: WME4L/SP
The WME4L/SP is best used as a dedicated SPD board when additional surge protection is required in an installation. It should be installed as close as possible to the incoming supply, with SPD earth connections kept short to reduce let-through voltage.
- Install between meter and consumer unit or as a sub-board for sensitive loads
- Ensure correct bonding and earthing practices
- Allow 3 working days lead time (built to order)
