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Commonly used in UL891 switchboard applications, serving large industrial and large commercial facilities.
Square D™ Masterpact circuit breakers continue to set the standard with innovations and technology to improve performance and uptime, speed of installation, while offering superior flexibility to help you meet greater needs for circuit protection reliability. The next-generation air circuit breakers provide higher interrupting ratings, smaller footprint, and more accessories than any other insulated case breaker.
Additional features include:
Masterpact NW Padlock Attachment