Cudis 4 Way Metal Clad Switch Fuse Unit 100A IP44 | CU/M04-MFS

The Cudis CU/M04-MFS Metal Clad Switch Fuse Unit is a robust, 18th Edition–compliant solution designed for the isolation and protection of incoming electrical supplies. Supplied fully populated, this compact 4-module metal enclosure is ideal for commercial, industrial, and residential installations where reliable circuit protection is required.

Manufactured with an all-steel construction and finished with a drop-down metal lid, the unit offers excellent durability and protection, achieving an IP44 rating. The enclosure is pre-fitted with a 100A isolator, FH1100 fuse holder, and three fuses (60A, 80A, and 100A), providing flexibility for a wide range of supply configurations.

Installer convenience is built in, with a pre-fitted DIN rail, earth and neutral terminal bars, and live and earth link cables already installed. Multiple knockouts across all base surfaces allow for flexible cable entry, while clearly defined earth bonding points enhance safety and compliance.

Features

• Metal Clad Switch Fuse Unit – Ideal for incoming supply isolation
• Fully Populated – Supplied with isolator, fuse holder, and fuses
• 100A Rated Isolator – Suitable for a wide range of applications
• IP44 Rated Enclosure – Durable protection against dust and splashes
• All-Steel Construction – Robust and long-lasting
• Drop-Down Lid – Easy access during installation and maintenance
• Pre-Fitted DIN Rail – Ready for modular components
• Earth & Neutral Bars Fitted – Faster, cleaner installation
• Multiple Knockouts – Flexible cable entry options
• 18th Edition Compliant – Meets current wiring regulations

Supplied With

• 100A Isolator
• FH1100 Fuse Holder
• Fuses Included: 60A, 80A, 100A
• Pre-Fitted DIN Rail
• Earth & Neutral Terminal Bars
• Live & Earth Link Cables
• Label Pack

Technical Specification

• Product Code: CU/M04-MFS
• Product Type: Metal clad switch fuse unit
• Number of Modules: 4
• Rated Current: Up to 100A
• IP Rating: IP44
• Fuse Size: 58 × 22mm
• Fuse Holder: FH1100
• Construction: All-steel metal enclosure

Compliance

• Standards:
• BS EN 61439-3
• BS 7671 (18th Edition)

Knockouts

• 2 × 25mm
• 6 × 32mm
• 1 × Rectangular 60 × 40mm

Dimensions

• Height: 240mm
• Width: 126mm
• Depth: 110mm

Applications

• Incoming supply isolation
• Commercial and industrial installations
• Plant rooms and distribution boards
• Residential sub-main protection