4 Way Metal Enclosure with 100A Main Switch & 40kA Type 2 Surge Protection Three Phase SPD Unit Type A sensitivity – detects

Type A sensitivity – detects AC and pulsed DC residual currents

Pair with Surge Protection Devices for 18th Edition compliance

Compact 18mm module – space saving for retrofit boards

30mA residual current sensitivity – suitable for final circuit protection where specified

Standards: BS EN 60898-1

4 Way Metal Enclosure with 100A Main Switch & 40kA Type 2 Surge Protection Three Phase SPD Unit Type A sensitivity – detectsThe 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