Deal Square D MA36300 – 300A 3 Pole Molded Case Circuit Breaker

Engineered for commercial and industrial power distribution, the MA36300 is a 3-pole, 300A molded case circuit breaker from Square D. It provides robust overcurrent protection for heavy-duty electrical systems. This breaker features an I-Line plug-on mounting style, allowing for quick installation into compatible Square D I-Line panelboards and switchboards. As a discontinued legacy model, it is an exact replacement for existing setups. It offers fixed thermal and adjustable magnetic protection.