20A 4 Pole 10kA MCB B Curve – WKC420B 4 & 5 pole MCBs (&Shunt Trip) Padlock facility – ensures secure

Padlock facility – ensures secure circuit isolation

Built to BS 7671:2018 (18th Edition) standards

or solar inverters that can cause high start-up currents

domestic boards

It reduces the risk of nuisance tripping compared with B Curve breakers

20A 4 Pole 10kA MCB B Curve – WKC420B 4 & 5 pole MCBs (&Shunt Trip) Padlock facility – ensures secureThe 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