Square D QO370VH – 70A 3 Pole Miniature Circuit Breaker Trusted Brand

Part of the QO series, the QO370VH is a 3-pole, 70A miniature circuit breaker designed for environments requiring elevated fault protection. It features a high interrupting capacity rated at 22kAIC at 240VAC. This plug-on breaker mounts into Square D QO load centers, NQ panelboards, and Speed-D switchboards. It accepts 8-2 AWG aluminum or copper wiring. Built with thermal-magnetic trip technology, it ensures reliable defense against overloads.