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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
Fully compliant with BS EN 61009
Built to BS 7671:2018 (18th Edition) standards
It reduces the risk of nuisance tripping compared with B Curve breakers
domestic boards
20A 4 Pole 10kA MCB B Curve – WKC420B 4 & 5 pole MCBs (&Shunt Trip) Fully compliant with BS ENThe WKC420B is a 20A 4 pole 10kA Miniature Circuit Breaker (MCB) designed for three phase + neutral protection. With its B Curve trip characteristic, it is best suited for resistive loads such as small power circuits, lighting systems, and distribution boards in three phase networks, EV charger boards, and solar PV installs. Offering a 10kA breaking capacity, the WKC420B provides reliable overload and short circuit protection while isolating all live
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