Schneider Electric QOB31001021 Bolt On Circuit Breaker

Schneider Electric QOB31001021 is a 100 A, 3-pole bolt-on circuit breaker designed for QOB load centers, rated for 120/240 VAC with a 10 kA short-circuit rating at 240 VAC. This thermal-magnetic molded‑case device mounts bolt-on in compatible panels and provides three‑phase protection for feeders in commercial and light‑industrial installations. It features an AC shunt‑trip option for remote tripping, enabling integration with centralized control or safety systems. As part of the QOB bolt‑on family, it fits into NQO/NQOD panelboards where bolt‑on protection of 3‑phase circuits up to 100 A is required.