Schneider Electric's Square D QOB330VH is a bolt-on miniature circuit breaker rated for 30 A at 240 V AC with three poles (3P) for three‑phase protection. It belongs to the QOB bolt‑on family and is designed for use in compatible QO/NQO panelboards or OEM mounting bases, featuring a VisI-Trip indicator for quick trip status and a 22 kA interrupt rating. This 3‑pole 240 VAC device is intended for reliable protection of multi‑phase circuits in commercial or industrial distribution systems where bolt‑on installation is required.
