Square D MJL36300 – 300A 3 Pole Molded Case Circuit Breaker Special Discount

Built for robust power distribution, the Square D MJL36300 is a 300A, 3-pole PowerPacT M-Frame molded case circuit breaker. It is designed for use in commercial and industrial facilities. This unit-mount breaker installs into Square D switchboards, motor control centers, and industrial control panels. It replaces older MA36300 and MH36300 models. Delivering 65kAIC at 480VAC, it utilizes an ET 1.0 electronic trip unit with long-time and instantaneous (LI) functions for enhanced coordination.