This EATON Cutler-Hammer BAB1040 circuit breaker is a high-quality unit that provides thermal overload protection for your electrical equipment. With a maximum amperage of 40A and a voltage range of 120-240V, it is suitable for interior use and offers a feed-through mounting style. The circuit breaker features a single pole single throw (SPST) contact configuration and an instantaneous break time. It is made from ABS/plastic and copper materials and has a black color. The unit has two positions and two outlets, and it is designed with NAP smart home protocol. This circuit breaker is a great addition to your electrical equipment and will ensure that your circuit is protected from thermal overload.