Schneider Electric’s Square D SR-241 is a 1-pole QOB bolt-on circuit breaker rated at 20 A for 120/240 VAC. It is designed for use in Square D QOB panelboards, providing single-pole overcurrent protection for a branch circuit in typical residential or light-commercial installations. This bolt-on unit supports standard 120/240‑V operation and is part of the QOB family of miniature breakers.
