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The WMMS/620 is a durable IP40 metal garage consumer unit supplied with a 100A main switch incomer and pre-fitted 6A and 20A B-curve MCBs. Designed for garages, workshops, and small outbuildings, it provides reliable isolation and circuit protection for lighting and heavier socket or radial circuits in full compliance with BS 7671:2018 Amendment 2.
Use the 6A way for lighting and the 20A way for radial sockets or heavier tools. Built in the UK with a steel IP40 enclosure, integrated neutral/earth bars, and earthed drop-down lid for safe, straightforward installation.
Installer Tip: Ideal for radial circuits feeding sockets or heavier garage tools. Verify that cable size, protective coordination, and disconnection times remain within BS 7671 limits for the 20A breaker.
- IP40 all-metal enclosure with earthed drop-down lid
- 100A double-pole main switch for local isolation
- Pre-fitted 6A and 20A B-curve MCBs – suited to lighting and socket circuits
- Integrated neutral and earth bars for fast, neat terminations
- Surface-mount design with compact footprint
- Built to order in the UK – typically dispatched within 3 working days
- Fully compliant with BS EN 61439 and BS 7671 Amendment 2
| Part Code | Incomer | MCB Set | Typical Use |
|---|---|---|---|
| WMMS/616 | 100A Main Switch | 6A + 16A (B) | Lighting + light power/tool circuit |
| WMMS/620 | 100A Main Switch | 6A + 20A (B) | Lighting + heavier socket/radial circuit |
| WMMS/632 | 100A Main Switch | 6A + 32A (B) | Lighting + high-load (e.g. compressor, welder) |
The WMMS/620 delivers balanced protection for lighting and heavier socket circuits in one metal garage consumer unit. For higher current loads or RCD-equipped versions, see our RCD incomer range or consider a Type A RCBO configuration for additional earth leakage protection.
