WME44100 4 Way IP40 Metal Enclosure with 4 Pole 100A Main Switch

The WME44100 is a 4-way IP40 steel enclosure pre-fitted with a 4 pole 100A main switch. Designed to provide safe and reliable isolation, it is suitable for both 230V (2P) and 400V (4P) systems, making it a versatile solution for domestic, commercial, and light industrial installs.

Built in a durable powder-coated steel body, the unit comes with multiple cable entry knockouts, raised DIN rail, and neutral/earth terminal bars for easy wiring. Compact and installer-friendly, it’s an ideal choice for meter tails, sub-distribution, or isolation requirements where compliance and reliability are essential.

• 100A main switch: 4-pole design for safe circuit isolation
• Compact 4-way board: Dimensions 110mm (W) x 175mm (H) x 90mm (D)
• IP40 steel enclosure: Powder-coated, non-combustible
• Flexible voltage: Suitable for 230V 2P and 400V 4P systems
• Installer features: Raised DIN rail, captive screws, neutral/earth bars

• Product Code: WME44100
• Enclosure: 4 module steel, IP40, polyester powder coated
• Main Switch: 100A, 4 pole
• Voltage Compatibility: 230V (2P) / 400V (4P)
• Dimensions: 110mm (W) x 175mm (H) x 90mm (D)
• Cable Entry: Multiple knockouts – 25mm & 32mm top/bottom, 40mm side, rear slots
• Mounting: Surface mount with raised keyholes for level installation
• Terminal Bars: Neutral and earth included
• Compliance: BS EN 61439-3, BS 7671 (18th Edition)

This isolator enclosure is designed for straightforward installation in supply arrangements, meter positions, and distribution upgrades. It provides both safe maintenance isolation and compliance with supply authority requirements.

• Install between supply meter and downstream consumer unit
• Ensure correct sizing of tails and terminations
• Use raised DIN rail to simplify cable routing
• Install only by a qualified electrician

What does this unit include?

A 4-way steel enclosure pre-fitted with a 100A 4-pole main switch, plus neutral and earth terminal bars.

Is this suitable for 3-phase installs?

Yes — the 4-pole main switch makes it suitable for 400V three-phase + neutral systems, as well as 230V two-pole systems.

What is this enclosure typically used for?

It’s commonly used for meter isolation, small sub-distribution boards, and as a compact isolation unit in domestic and commercial setups.

Is the enclosure fire-safe?

Yes — it’s manufactured from non-combustible steel and finished with a polyester powder coat for durability and compliance.