Allen-Bradley 1492-SPM3D040-N Circuit Breaker

The Allen-Bradley 1492-SPM3D040-N is a supplementary protector and circuit breaker designed for use in industrial electrical and automation control systems. Built under Allen-Bradley's 1492 product line, this component provides reliable electrical circuit protection within industrial control panels, machinery, and automation architectures. It serves as a direct replacement unit for maintenance, repair, and overhaul (MRO) applications, helping facility technicians and system integrators restore operational capability and safeguard sensitive equipment against overcurrent conditions. When replacing or servicing existing control hardware, verify the exact part number 1492-SPM3D040-N against panel drawings, system schematics, and engineering documentation to ensure proper technical fit and compliance with your system's operational requirements.