BA2-B0-16-420-212-D is a hydraulic-magnetic circuit breaker from the B-Series, designed for precision operation in OEM applications requiring temperature-stable performance. This two-pole unit features a handle actuator (one per multipole unit), series trip circuit configuration, DC long time delay, and a 2.0A current rating. The circuit breaker is equipped with screw 8-32 terminals with upturned lugs and front panel snap-in mounting with 0.75" wide bezel and barriers. It carries VDE Certified, UL Recognized, and CSA Accepted agency approvals. Typical applications include power supplies, medical equipment, generators, control panels, and marine environments where reliable overcurrent protection is essential.