This Square D circuit breaker is a new item that has not been used before. It is a two-pole bolt-on breaker with a 20A capacity, and it is designed to protect electrical circuits from overloading or short-circuiting. The brand of this circuit breaker is Square D, and it is perfect for commercial and industrial applications. The mounting style of this breaker is bolt-on, which ensures a secure installation. You can trust this Square D circuit breaker to keep your electrical circuits safe and protected.