The SIEMENS 5ST3010-0CC is an auxiliary switch configured with one normally open and one normally closed contact to expand control and signaling functions in electrical systems. Designed for straightforward integration, it provides reliable contact changeover for motor starters, contactors, and control panels, allowing separate circuits to monitor or interlock device status. Its clear NO/NC arrangement simplifies wiring and diagnostics, and it suits retrofits or new installations where additional status feedback or control logic is needed. Use it to add dependable auxiliary switching without redesigning existing control hardware.
