The Leviton LM100-T Main Breaker is a 100A thermal magnetic circuit breaker designed for reliable protection in residential and commercial electrical systems. This breaker features a compact design for easy installation in standard panels and complies with UL standards for safety. Its thermal magnetic mechanism provides effective protection against overloads and short circuits, ensuring the safety of electrical circuits. Ideal for new installations or upgrades, this main breaker is essential for maintaining system integrity and preventing electrical hazards.