Schneider Electric's QOB3100 three‑pole molded‑case circuit breaker is rated at 100 A and designed for bolt‑on installation in 120/240 VAC service. Its thermal‑magnetic trip mechanism provides reliable overcurrent protection with an interrupting capacity of 10 kA at 240 VAC. As part of the Square D QO/QOB family, the QOB3100 is intended for distribution panels and feeders where a compact, bolted MCCB is required.
