The MCC contains Main Incomer Air Circuit Breaker, feeders, starters and associated control gear. System manufactured by MCI Electrotechnics Bespoke 440V 3ph and N Control System in the Process of Manufacture. Laiwo (formerly Wosom Electric), established 2002. LAIWO specializes in high-performance distribution boxes and distribution boards, including metal distribution boxes, garage / EV consumer unit, TP&N/MCB metal. P&B introduce the MR-METI31 Directional Relay. Our specialist expertise and unrivalled experience is relied upon in heavy industries throughout the world to ensure the highest levels of safety and performance. We work closely with prominent major component manufacturers such as ABB, Schneider, Eaton and Allen Bradley to deliver safe, reliable and cost effective solutions which are designed with high quality and durability in mind. Gas Circuit Breaker (GCB) A circuit breaker that. The global circuit breaker market has several major players including ABB Ltd, Camsco Electric Co. Ltd, Mitsubishi Electric Corporation, Powell Industries, Salzer Electronics Limited, Schneider Electric SE, SCHURTER Group. A distribution board (also known as panelboard, breaker panel, electric panel, DB board or DB box) is a component of an electricity supply system that divides an electrical power feed into subsidiary circuits while providing a protective fuse or circuit breaker for each circuit in a common.