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Compact 18mm module – space saving for retrofit boards
Pair with Surge Protection Devices for 18th Edition compliance
a 20A C Curve variant may be more suitable
Compact footprint: 95 × 145 × 82mm
4 Way Metal Enclosure with 100A Main Switch & 40kA Type 2 Surge Protection Three Phase SPD Unit Compact 18mm module – spaceThe WMCU440SP is a compact metal surge protection unit combining a 100A main switch with a 2 pole Type 2 SPD rated at 40kA. Designed for installation between the meter and the consumer unit, it provides both safe isolation and surge protection in a single enclosure. This unit helps bring existing installations in line with the 18th Edition BS 7671 regulations, which require surge protection in most domestic and commercial settings. Built in a durable
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