3RA2426-8XF32-1AL2 SIEMENS

The 3RA2426-8XF32-1AL2 Siemens contactor assembly is specifically designed for star-delta (wye-delta) starting applications, providing a reduced-voltage starting method for 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 230 V AC control voltage at 50/60 Hz, ensuring compatibility with standard power systems. The contactor assembly features a 3-pole configuration, making it suitable for three-phase motor control. It is size S0, indicating its compact design and suitability for applications with limited space. Screw terminals are used for electrical connections, providing a secure and reliable connection method. The assembly includes both electrical and mechanical interlocks to prevent simultaneous closing of the main and delta contactors, ensuring safe operation. It also features integrated auxiliary contacts, with 3 normally open (NO) and 3 normally closed (NC) contacts for additional control and monitoring functions. This comprehensive design ensures efficient and reliable motor starting, reducing stress on the motor and power system during startup. The 3RA2426-8XF32-1AL2 is ideal for applications requiring smooth and controlled motor acceleration.