CA1-B0-34-650-121-D is a compact hydraulic-magnetic circuit breaker designed for high amperage and voltage applications with a rocker actuator and series trip (current) protection. This single-pole breaker is rated for 50 amps at 480VAC/125VDC maximum, featuring UL 489 construction and CSA acceptance for reliable overcurrent protection. The breaker employs a unique arc chute design that enables interrupting capacities up to 10,000 amps, with mounting provisions using 6-32 x 0.195 inch fasteners and push-in stud terminals. Typical applications include marine systems, datacom/telecom equipment, renewable energy installations, generators, welders, military systems, industrial automation, commercial food equipment, and medical devices where robust circuit protection is essential.