Square D QO320VH – 20A 3 Pole Miniature Circuit Breaker Buy Today

Built for systems requiring elevated interrupting capacity, this 20-amp component provides reliable thermal-magnetic protection for three-phase commercial and industrial loads. The unit incorporates Square D’s signature Visi-Trip indicator to help maintenance personnel quickly spot tripped circuits. Designed for seamless integration, it mounts into standard QO load centers, NQ panelboards, and Speed-D switchboards. Rated at 22kAIC, this VH-series model exceeds standard 10kA limits.