Square D MA31000F – 1000A 3 Pole Molded Case Circuit Breaker Big Sale

A direct replacement for older installations, the MA31000F is a 3-pole, 1000A molded case circuit breaker from Square D’s M-Frame series. Built for industrial applications, it provides reliable overcurrent protection for high-capacity systems. This unit-mount breaker installs via busbar connections into compatible Square D switchboards and motor control centers. It features a thermal-magnetic trip unit with adjustable magnetic settings, a Visi-Trip indicator, and a 42kAIC rating at 240VAC.