BA2-B0-22-620-112-D is a B-Series hydraulic-magnetic circuit breaker designed for precision operation in OEM applications. This 2-pole unit features a handle actuator (one per multipole unit), series trip circuit configuration, AC short time delay, and a 20A current rating. It includes S.P.D.T. auxiliary switch with 0.110 Q.C. terminals and push-on 0.250 tab (Q.C.) terminals. The circuit breaker is UL Recognized and CSA Accepted, offering temperature-stable performance with ratings up to 277VAC or 80VDC. Typical applications include power supplies, medical equipment, generators, control panels, and marine environments.