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The Niglon M3CU18SP is a 14-way main-switch consumer unit with a 100A double-pole isolator incomer and an integral surge protection device (SPD). It provides a compact metal board for domestic and light-commercial installations, ready to populate while delivering built-in transient overvoltage protection.
The integral Type 2 (or 3) SPD is rated 15kA Imax to BS EN 61643-11. Housed in a powder-coated steel enclosure (RAL 9010) rated IP20 / IK05, with a 35mm² incoming cable capacity; the 100A isolator is manufactured to BS EN 60947-3 and the board to BS 7671:2018 and BS EN 61439-3.
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