Square D MHL36400 – 400A 3 Pole Molded Case Circuit Breaker Buy Online

Built to manage substantial electrical loads, this 400A unit-mount MCCB provides robust long-time and instantaneous trip protection. The legacy M-Frame construction features AL900MA lugs accommodating up to 500 kcmil wire for heavy industrial applications. With a 65kAIC rating at 480V, it ensures reliable fault clearing in commercial enclosures. Facilities looking to update their infrastructure can transition to the PowerPact MJL36400, which serves as the exact modern equivalent.