BA1-B0-46-620-227-D is a B-Series hydraulic-magnetic circuit breaker designed for precision operation in OEM applications requiring temperature-stable overcurrent protection. This single-pole unit features a handle actuator (one per pole), series trip circuit configuration, AC long high-inrush time delay (code 46), and a 20A current rating. The breaker utilizes front panel snap-in mounting with a 0.75" (19.05mm) wide bezel without handleguard and includes barriers for enhanced insulation. It is equipped with screw 8-32 with upturned lugs terminals and carries VDE Certified, UL Recognized, and CSA Accepted agency approvals. Typical applications include power supplies, medical equipment, generators, control panels, and marine environments.