WME 28 Module Surge Protected Metal Enclosure – 100A Main Switch + SPD (WME28/SP)

The WME28/SP is a 28 module surge protected metal enclosure fitted with a 100A main switch and a factory-installed Type 2 Surge Protection Device (SPD). Designed for EV hubs, large domestic boards, and renewable system installs, it delivers safe isolation and full surge compliance in a robust steel housing.

With 24 usable ways, the WME28/SP offers extensive capacity for multi-charger EV bays, heat pump and PV circuits, or combined domestic and commercial loads. Constructed from 1.2mm non-combustible steel with a powder-coated finish, the enclosure features a raised DIN rail, knockouts, and ample wiring space for faster, tidier installs.

Key Features

• 100A main switch isolator – full isolation for safe maintenance
• Type 2 SPD – transient surge protection, Amendment 2 compliant
• 28 module enclosure – 24 usable outgoing ways
• 1.2mm steel construction, powder-coated white
• Neutral & earth bars fitted both sides, fully shrouded terminals
• Multiple knockouts and removable gland plate for easy cable entry
• Meets BS EN 61439-3 & BS 7671:2018 A2

Compare WME Surge Protected Enclosure Variants

• Enclosure: 28 module steel housing, IP40
• Main Switch: 100A isolator
• Surge Protection: Type 2 SPD, factory fitted
• Usable Ways: 24
• Material: 1.2mm non-combustible steel, powder-coated white
• Operating Voltage: 230V AC, 50Hz
• Standards: BS EN 61439-3, BS 7671:2018 A2

This unit is delivered fully built with main switch and SPD fitted. A qualified electrician must complete the final wiring and certification.

• Pre-assembled – saves time on site
• Knockouts and gland plate for flexible cable entry
• Ensure 28 module (24 usable ways) suits your load design
• Indoor use only (IP40 steel housing)

What’s the advantage of the 28 module version?

It offers 24 usable outgoing ways, making it ideal for EV hubs, large domestic installs, or renewable-heavy systems with multiple circuits.

Does it come with surge protection pre-fitted?

Yes, all WME boards are supplied with a Type 2 SPD factory installed, ensuring Amendment 2 compliance.

Is this enclosure weatherproof?

No, it is IP40 rated and intended for indoor use. For outdoor boards, check our IP65-rated EV units.

How long for delivery?

Built to order in 3 working days. After dispatch, free next-day delivery applies across the UK mainland on orders over £30.