Square D 997318 – 150A 3 Pole Molded Case Circuit Breaker Limited Offer

Built for heavy-duty commercial and industrial environments, this 150A molded case circuit breaker delivers robust thermal-magnetic protection. The three-pole device is specifically designed to mount into legacy Square D ML panelboards, serving as a reliable replacement for aging infrastructure. It accommodates 4 AWG to 300 kcmil wire and provides fixed long-time and instantaneous (LI) trip functions. The breaker ensures system safety with a 10kAIC interrupt capacity at 600VAC.