Square D Q2M3175MB – 175A 3 Pole Molded Case Circuit Breaker Brand New

Built for commercial use, the Square D Q2M3175MB is a 3-pole, 175A molded case circuit breaker from the legacy Q-Frame family. This bolt-on breaker mounts into Square D QO load centers and NQO panelboards. For modern upgrades, it is superseded by the QBP32175TP. Rated for 10kAIC at 240VAC, it features a non-interchangeable thermal-magnetic trip unit. The bottom-mounting design includes line-side studs and load-side lugs for 4 AWG to 300 kcmil wire.