3RT1025-3KF40 SIEMENS

The 3RT1025-3KF40 is a power contactor from Siemens, designed for switching electrical circuits and controlling motors in various industrial applications. It is specifically configured for AC-3 utilization, making it suitable for frequent starting and stopping of AC motors. This contactor has a current rating of 17 A and a power rating of 7.5 kW at 400 V, indicating its capacity to handle moderate motor loads. The coil voltage is 110 V DC, with an operational range of 0.7 to 1.25 times the rated voltage, ensuring reliable performance even with voltage fluctuations. An integrated varistor provides surge protection, safeguarding the contactor's coil from voltage spikes. It features a 3-pole configuration, suitable for three-phase power systems, and comes in size S0, a standardized size for easy integration into control panels. The contactor utilizes spring-type terminals for quick and secure wiring connections. Please note that the 3RT1025-3KF40 is a phased-out product, and the recommended successor is the SIRIUS 3RT2025-2KF40, offering updated features and improved performance.