Eaton Cutler Hammer BA120 1 Pole 20 Amp Circuit Breaker is a black clip-on breaker suitable for wall installation in any room. It features thermal overload protection, plug-on neutral, and thermal circuit breaker interruption. With a voltage rating of 120/240 VAC, it has a single-pole, single-throw contact configuration and is designed for AC current. This breaker has a compact design with a height of 3 inches and a width of 1 inch.