Allen-Bradley 1492-SJ8A-2 Circuit Breaker

The Allen-Bradley 1492-SJ8A-2 (1492-SJ8A-2) is an industrial circuit breaker designed for electrical circuit protection, control, and distribution across industrial control panels and automation equipment. Operating as a protective switching device, it safeguards downstream wiring, control components, and electrical assemblies by interrupting current during fault conditions or system overloads. Manufactured under the Allen-Bradley Bulletin 1492 family, this unit provides reliable circuit isolation, system safety, and component protection in diverse machine control environments. The assembly has a catalog weight of 10 kg, making it a robust component for industrial power distribution cabinets, switchboards, and motor control centers. It is utilized in demanding factory automation installations, manufacturing plants, and processing lines where dependable overcurrent protection and manual disconnection are required. When integrating or replacing this circuit breaker in an existing electrical panel, technicians should verify mounting requirements, terminal connections, and electrical ratings against OEM schematics to ensure proper fit and continuous system performance.