CA2-B0-34-450-121-D is a C-Series hydraulic-magnetic circuit breaker designed for applications requiring higher amperage and voltage handling capability in a compact package. This 2-pole unit features a series trip current coil configuration with a 450V frequency rating and 121 ampere current rating, utilizing a unique arc chute design that enables interrupting capacities up to 10,000 amps. The breaker incorporates thermoset glass-filled polyester half-shell construction for increased mechanical and electrical strength, wiping contacts with mechanical linkage providing high positive contact pressure, and extended contact life. It is UL Recognized and CSA Accepted, making it suitable for industrial control panels, motor protection, and distribution systems where reliable overcurrent protection is essential.