Must Have Square D MHL36600 – 600A 3 Pole Molded Case Circuit Breaker

Rated for 65 kAIC at 480V, this unit-mount molded case circuit breaker handles demanding industrial power distribution tasks. The thermal-magnetic trip mechanism features fixed thermal and adjustable magnetic settings to fine-tune short-circuit protection. Unlike I-Line variants, this model bolts into switchboards, motor control centers, and custom enclosures using standard lug connections. Facilities looking to upgrade can substitute this legacy component with the MJL36600.