CA1-B0-12-620-121-C is a single-pole hydraulic-magnetic circuit breaker from the Carling Technologies C-Series, designed for applications requiring higher amperage and voltage handling in a compact package. This circuit breaker features a 20A current rating, handle actuator style, and 1/4-20 stud terminals. It is UL Recognized and CSA Accepted, employing a unique arc chute design that allows for higher interrupting capacities up to 10,000 amps. The thermoset glass-filled polyester construction provides increased mechanical and electrical strength with wiping contacts for longer contact life. Common applications include industrial equipment, power distribution systems, and other environments where reliable overcurrent protection is essential.