Siemens AG Relays - Contactors (Electromechanical) 3RT20282AF04

The 1013578-3RT20282AF04 is an electromechanical contactor designed for AC applications, rated for a maximum operating power of 18.5 kW at 400 V. It features a 3-pole configuration with 2 normally open (NO) and 2 normally closed (NC) contacts. The contactor operates at a control supply voltage of 110 V AC and is suitable for ambient temperatures ranging from -25 °C to +60 °C. With a mechanical service life of approximately 10 million switching cycles, this contactor is built for durability. It has a surge voltage resistance of 6 kV for both main and auxiliary circuits. The device supports various operational currents, including 50 A at AC-1 and 38 A at AC-3 for 400 V applications. The contactor is designed for installation at altitudes up to 2000 m and is compliant with relevant standards, making it a reliable choice for industrial applications.