The CA3-B0-24-630-121-C is a C-Series hydraulic-magnetic circuit breaker designed for compact yet robust protection in high amperage and voltage applications. This 3-pole unit is rated for 30 A at 50/60 Hz with medium delay characteristics and features series trip (current) protection with 1/4-20 stud terminals for secure panel mounting. The breaker employs a unique arc chute design that enables higher interrupting capacities and is suitable for demanding environments including marine, datacom/telecom, renewable energy, generators, welders, military, industrial automation, commercial food service, and medical equipment applications. Its flat rocker actuator with standard bezel provides reliable manual control and visual indication of circuit status.