The BA1-B0-34-615-121-D hydraulic magnetic circuit breakers are specifically designed for applications requiring extra insulation and tongue and groove half-shell constructions. The B-Series carries global regulatory safety approvals for spacing requirements and are ideal for use as general purpose as well as full load amp applications. Typical applications are: power supplies, medical equipment, generator & welder markets, office equipment, control panels, marine and military. Operating temperature range is from -40° C to +85° C.