One Day Deal Square D MJA36800E10 – 800A 3 Pole Molded Case Circuit Breaker

Offering highly configurable protection, the Square D MJA36800E10 is a 3-pole, 800A molded case circuit breaker equipped with an advanced adjustable electronic trip unit. It installs into I-Line panelboards and switchboards, serving as a drop-in replacement for discontinued MA and MH frames. With the ability to adjust the trip setting between 300A and 800A, this 65 kAIC (at 480V) breaker allows facility managers to precisely coordinate their electrical distribution systems.