QOB350VH is a Square D by Schneider Electric three-pole bolt-on miniature circuit breaker rated for 50 A at 120/240 VAC, designed to protect three‑phase circuits in QOB installations. It provides a 22 kA short‑circuit interruption rating and accepts copper or aluminum conductors from #8 to #2 AWG, offering secure bolt‑on mounting for reliable field installation. As part of the QOB family, this 50 A, 3P device is suited for protecting motors, compressors, and other three‑phase equipment in commercial or light‑industrial panels.
