3RA2426-8XF32-1BB4 SIEMENS

The 3RA2426-8XF32-1BB4 from Siemens is a contactor assembly specifically designed for star-delta (wye-delta) starting of three-phase AC motors. This assembly is suitable for motors with a power rating of up to 22 kW at 400 V AC. It operates on a 24 V DC control voltage, ensuring reliable and safe switching operations. The contactor assembly features a 3-pole configuration, providing comprehensive control over the motor's power supply. It is a size S0 contactor, known for its compact design and efficient performance. Screw terminals are used for electrical connections, offering a secure and robust wiring solution. The assembly includes both electrical and mechanical interlocks to prevent simultaneous activation of the star and delta contactors, ensuring safe operation and preventing short circuits. Furthermore, it features 3 normally open (NO) and 3 normally closed (NC) auxiliary contacts, providing additional flexibility for control and monitoring circuits. This integrated design simplifies installation and reduces wiring complexity, making it an ideal solution for motor starting applications. The robust construction and reliable performance of this contactor assembly ensure long-lasting operation in demanding industrial environments.