The CB3-B0-34-620-16A-H is a C-Series three-pole hydraulic-magnetic circuit breaker designed for overcurrent protection in a compact package. It features a series trip (current) circuit with a rating of 20A and is engineered for both DC and 50/60Hz systems, providing a medium time delay characteristic. This model is configured with a single handle actuator for the multipole unit and Stud 10-32 terminals for secure connections. The unit includes barriers for voltages under 300V and utilizes a 6-32 threaded insert for panel mounting. With its UL489 construction and VDE, UL, and CSA approvals, it is ideal for applications in marine, telecom, and renewable energy systems.