Mega Sale Square D QO3100 – 100A 3 Pole Miniature Circuit Breaker

Part of the QO series, this 100A, three-pole miniature circuit breaker provides thermal-magnetic protection for commercial systems. It is HACR rated for HVAC applications. This unit installs into Square D QO load centers, NQ panelboards, and Speed-D panels. The plug-on mounting ensures a secure busbar connection. Rated for 10kAIC at 120/240VAC, it features the exclusive Visi-Trip indicator, displaying a red flag when tripped to speed up troubleshooting.