Square D Q221150BC – 150A 2 Pole Molded Case Circuit Breaker In Demand

Utilizing a dedicated B-C phase jaw, this 150-amp molded case circuit breaker facilitates proper load distribution across commercial electrical systems. It integrates smoothly into Square D I-Line panelboards, offering reliable thermal-magnetic trip functions for standard applications. While eventually replaced by the PowerPact QBA22150 model, this legacy Q2 frame maintains a 10kA short circuit current rating and includes the highly visible Visi-Trip indicator.