The Siemens 3RH2122-1AP00 auxiliary contactor delivers dependable auxiliary switching for industrial control circuits. Part of the SIRIUS range, it integrates seamlessly into compact control panels and supports signaling, interlocking, and logic expansion in motor starters and automated systems.

Built on the SIRIUS 3RH2 platform, this 4-pole device with 2 NO and 2 NC contacts ensures clear separation of control functions. The AC coil (50/60 Hz) simplifies integration with standard control voltages, while screw terminals provide secure wiring and fast commissioning on a 35 mm DIN rail. Engineered for long service life, it maintains consistent contact performance in demanding machine-building and process environments.

Choose the 3RH2122-1AP00 to streamline panel design, reduce downtime, and standardize on trusted Siemens control components, with predictable lifecycle support that is further reinforced by a 1-year warranty.

• Brand: Siemens
• Series: SIRIUS 3RH2
• Model: 3RH2122-1AP00
• Function: Auxiliary contactor, 4-pole
• Contact configuration: 2 NO + 2 NC
• Coil type: AC, 50/60 Hz
• Mounting: DIN rail 35 mm
• Connection type: Screw terminals