Siemens 3RT2025-1AK60 Three-Phase Contactor 3-Pole

The Siemens 3RT2025-1AK60 is a three-pole SIRIUS power contactor designed for AC-3e/AC-3 motor duty, providing reliable control of three-phase loads in industrial control panels. It is rated for 17 A and 7.5 kW at 400 V, with a 3-pole configuration and screw-terminal connections for secure wiring, and it includes an auxiliary contact block consisting of 1 normally open and 1 normally closed contact for signaling or interlocking. The coil voltage is 110 V AC at 50 Hz or 120 V AC at 60 Hz, offering compatibility with common control voltages, and the device is sized as S0 within the SIRIUS 3RT family. Data sheets and official Siemens Industry Mall listings confirm the device’s specifications: 3RT2025-1AK60, 3-pole, 17 A, 7.5 kW/400 V, auxiliary contacts 1 NO + 1 NC, screw terminals, size S0. The operating environment supports -25 to +60 °C in operation and up to 95% relative humidity at 55 °C, suitable for industrial installations, where the contactor is typically used to start and stop three-phase motors in control circuits.