C1005B-3B121BR3 is a single pole combination switch and thermal circuit protector from the C1005B-Series. This lighted device features a 12 amp current rating with voltage ratings of 125/250VAC and 32VDC maximum, and includes a 1,000 AIC interrupting capacity. The unit utilizes silver cadmium oxide switch contacts and silver plated copper breaker contacts, with .250 tab termination. It features a black bezel with white legend, red rocker actuator, and neon lamp rated for 125/250VAC. The breaker snaps into an industry standard 0.550 x 1.125 inch mounting hole, making it suitable for applications including household and commercial appliances, power strips, generators, marine equipment, and medical devices.