Square D QOB150 – 50A 1 Pole Miniature Circuit Breaker Express Delivery

Providing robust electrical safety, the Square D QOB150 is a 50A, 1-pole miniature circuit breaker. It is engineered for heavy-duty commercial and industrial applications requiring consistent thermal-magnetic protection. This unit is specifically manufactured to mount into Square D NQ and NQOD panelboards. Its bolt-on terminal design ensures a permanent, high-integrity connection that prevents arcing and withstands mechanical stress. With a 10 kAIC capacity, it is HACR rated for HVAC loads.