3RW4038-1BB14 Siemens 37 kW Soft Starter, 480 V ac, 3 Phase, IP00. soft starter from Siemens to reduce torque and minimise the risk of power surges when starting up your AC motors. You can tailor the device to suit your application as the controls on the front let you limit the current allowed during start-up to a specific value. An IP20 rating means it’s touch-proof and resistant to objects larger than 12mm, making it useful for many standard motor control tasks. The remote reset facility gives you control over the device from a distance, so you can clear faults quickly to avoid system downtime.