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10A rated current – protects small three-phase inductive circuits
2mm (W) × 82
Bi-directional wiring – suitable for inverter-fed systems
The WER40B-030 is a 40A B Curve High Immunity Type A RCBO designed for heavier duty residential and commercial circuits
use the 40A C Curve variant
4 Way Metal Enclosure – 40A B Curve MCB + Surge Protection (WMKB240BSP) Three Phase PME Fault Detection Unit 10A rated current – protectsThe WMKB240BSP is a compact 4 way metal enclosure pre fitted with a 40A B Curve MCB and Type 2 Surge Protection Device (SPD). Built for EV charger supplies, outbuildings, and small sub mains, it combines overload protection and surge defence in a durable steel housing. The 40A B Curve MCB makes this unit suitable for domestic EV installs, general distribution boards, and standard load circuits. With a pre fitted Type 2 SPD, it ensures compliance with
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