Square D MH36500 – 500A 3 Pole Molded Case Circuit Breaker Price Drop

Built for commercial power distribution, this 500A, 3-pole legacy M-frame molded case circuit breaker handles demanding electrical loads. The Square D MH36500 ensures reliable performance in heavy-duty environments. Designed with an I-Line plug-in connection, it mounts into Square D I-Line panelboards and switchboards. For modern upgrades, this unit is replaced by the PowerPact MJA36500 series. It features a thermal-magnetic trip unit (LI) providing a 65kAIC rating at 480VAC.