Hassle-Free Returns Square D MA36450 – 450A 3 Pole Molded Case Circuit Breaker

Engineered for heavy-duty commercial and industrial applications, the Square D MA36450 is a 3-pole, 450A molded case circuit breaker. It provides robust overcurrent protection for high-demand electrical distribution systems. Designed for seamless integration, this unit mounts into Square D I-Line panelboards and switchboards. As a legacy M-Frame breaker, it is frequently replaced by the newer MGA36450 model in modern upgrades.