Square D MGA36400 – 400A 3 Pole Molded Case Circuit Breaker Clearance

Belonging to the PowerPacT M-frame family, this 400A electronic trip breaker provides reliable power distribution for industrial facilities. The microprocessor-controlled unit ensures highly accurate sensing. Designed for Square D I-Line panelboards, the plug-on phase connections simplify installation. It serves as a modern replacement for legacy MA36400 models. Featuring adjustable magnetic trip settings, it achieves a 35kAIC rating at 480VAC and includes a push-to-trip testing mechanism.