Square D QOU2100 2-Pole Plug-On Circuit Breaker

Square D QOU2100 is a 2-pole circuit breaker rated for 100 A at 120/240 V, designed to protect 120/240 V circuits in compatible Square D panels. With an interrupting rating of 10 kAIC, it delivers reliable short-circuit protection for demanding branch circuits. The unit is suitable for standard 50/60 Hz electrical systems, and its two‑pole construction ensures simultaneous disconnection of both conductors on multi‑wire circuits. As part of Square D’s QOU family, the QOU2100 is compatible with Square D panel boards and enclosures that accept QOU‑series breakers, providing a robust, proven solution for protecting 100 A two‑pole applications.