Square D MH36450 – 450A 3 Pole Molded Case Circuit Breaker Trending

The MH36450 is a 450-amp, 3-pole molded case circuit breaker designed by Square D for demanding industrial applications. It provides essential long-time and instantaneous protection for commercial facilities. This legacy M-Frame unit mounts into Square D I-Line panelboards and switchboards. It serves as a reliable replacement component and is superseded by the newer MJA36450. Rated for 600VAC, it features thermal-magnetic trip technology and a robust 65kA interrupting capacity at 480VAC.