3RW4038-1BB14 SIEMENS

The SIRIUS 3RW4038-1BB14 soft starter is a highly efficient and reliable solution for smoothly starting three-phase asynchronous motors. This particular model, size S2, is designed for motors with an operating current of up to 72 A and a power rating of 37 kW at 400 V, making it suitable for a wide range of industrial applications. It is rated for operation in ambient temperatures up to 40°C. The device operates on a wide voltage range of 200-480 V AC for the main circuit and utilizes a 110-230 V AC/DC control supply voltage, offering flexibility in different power environments. The soft starter reduces mechanical stress and voltage dips during motor start-up, extending the lifespan of both the motor and connected equipment. It features screw terminals for easy and secure electrical connections. This soft starter provides overload protection, preventing damage to the motor in case of excessive current draw. Integrated bypass contacts minimize energy losses during normal operation. The 3RW4038-1BB14 ensures a controlled and optimized start, enhancing the overall performance and reliability of your motor system.