3RA2417-8XF31-1AB0 SIEMENS

The 3RA2417-8XF31-1AB0 from Siemens is a complete contactor assembly specifically designed for star-delta (wye-delta) starting of three-phase AC motors. This pre-wired assembly simplifies motor starting circuits, reducing wiring complexity and installation time. It is rated for AC-3 duty, making it suitable for standard motor applications with a power rating of 11 kW at 400 V. The contactors are controlled by a 24 V AC coil operating at 50/60 Hz, providing reliable and safe operation. The assembly features three-pole main contactors, ensuring complete isolation of the motor during operation. It is a Size S00 assembly, offering a compact design for space-saving installation in control panels. Screw terminals are used for all connections, providing a secure and reliable electrical connection. An electrical and mechanical interlock is included to prevent simultaneous closing of the main and delta contactors, ensuring safe operation and preventing short circuits. Furthermore, the assembly integrates 3 normally open (NO) auxiliary contacts for signaling and control purposes. This comprehensive design ensures efficient and reliable motor starting for a variety of industrial applications.