3RA1345-8XB30-1AL2 SIEMENS

The 3RA1345-8XB30-1AL2 is a reversing contactor assembly from Siemens, designed for efficient and reliable motor control. This assembly is specifically configured for AC-3 duty, making it suitable for standard applications involving the switching of three-phase motors. With a power rating of 37 kW at 400 V, it is capable of handling substantial motor loads. The device features a 3-pole design, ensuring comprehensive control over the motor's electrical supply. Its size S3 designation indicates its physical dimensions and current handling capacity within the Siemens contactor range. The assembly utilizes screw terminals for secure and straightforward electrical connections. An integrated 230 V AC coil, operating at 50/60 Hz, provides the necessary control voltage for the contactor's operation. Furthermore, it incorporates both electrical and mechanical interlocks to prevent simultaneous activation of forward and reverse contactors, enhancing safety and preventing short circuits. This robust design ensures dependable performance and longevity in demanding industrial environments.