3RW4038-2BB14 SIEMENS

The SIRIUS 3RW4038-2BB14 soft starter is a highly reliable and efficient solution for smoothly starting three-phase asynchronous motors. This S2 frame soft starter is designed for motors with a rated operational current of 72 A and a power rating of 37 kW at 400 V, operating at an ambient temperature of 40 °C. It supports a wide voltage range of 200-480 V AC for the main circuit and 110-230 V AC/DC for the control circuit, providing flexibility in various power environments. The device utilizes spring-type terminals, ensuring secure and vibration-resistant connections, which simplifies installation and maintenance. By reducing the starting current and torque, the soft starter minimizes mechanical stress on the motor and connected equipment, extending their lifespan. It also prevents voltage dips in the power supply during motor startup, improving overall system stability. The 3RW4038-2BB14 offers adjustable starting and stopping parameters, allowing for customized motor control to match specific application requirements. Its compact design and robust construction make it suitable for a wide range of industrial applications. This soft starter provides a cost-effective and efficient way to enhance motor performance and reliability.