Square D 20A QO Single Pole Mini Circuit Breaker is designed to provide reliable overcurrent protection and switching for AC electrical systems. This circuit breaker features a thermal magnetic mechanism that ensures accurate overcurrent protection while incorporating a trip- toggle mechanism with quick make and quick break actions for enhanced safety. It includes a positive handle indication, making it easy to identify the breaker's status at a glance. One of the standout features of this breaker is the VisiTrip trip indication system, which visually signals when the breaker has tripped, clearly indicating that the circuit has been interrupted. This specific model is a 1-pole QO circuit breaker with a 20-amp current rating and operates at 120/240VAC. With a breaking capacity of 10kA, it is well suited for applications where safety and protection against overcurrent conditions are essential. Model Number: QOB120