The LGC45N series of circuit breakers are used in lighting distribution system or motor distribution system for protection overload and short-circuits in the system. The product is sound in structure, lightweight, reliable and excellent in performance. It has high breaking capacity, can trip quickly, and its case and items adopt high fire-resistant and shockproof plastic. The product, with long life, is mainly used in AC 50/60Hz single-pole 240V circuits, or 2-, 3-, 4-pole 415V circuits for overload and short-circuit protection as well as for unfrequented on and off switching electric equipment and lighting circuits in normal cases. This product complies with IEC 60898 and BS 3771 standards.