The BA1-B0-34-615-121-D hydraulic magnetic circuit breaker is designed for applications requiring enhanced insulation and a tongue-and-groove half-shell construction. Part of the B-Series, it meets global safety standards for spacing requirements and is suitable for general-purpose and full load current applications. Typical uses include power supplies, medical equipment, generators, welders, office equipment, control panels, marine, and military environments. It operates efficiently within a temperature range of -40°C to +85°C.