Schneider Electric - Square D, Miniature Circuit Breaker, QO, 40A, 2 Pole, 120/240VAC, 10k...
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- VERSATILE PROTECTION: QO and QOB thermal magnetic circuit breakers offer comprehensive overcurrent protection and switching for both AC and DC systems, ensuring the safety of electrical circuits.
- RELIABLE MECHANISM: Featuring an over-center, trip-free toggle mechanism with quick-make, quick-break action and positive handle indication, these breakers offer reliable operation and easy identification of tripped circuits.