Siemens 3RW4055-6BB44

The Siemens 3RW4055-6BB44 SIRIUS soft starter, part of the S6 model series, is engineered for versatile applications, accommodating up to 134 amps and 75 kilowatts at 400 volts. With a control supply voltage of 230 volts AC, this robust device supports systems up to 690 volts AC, ensuring reliable performance in various environments. Designed with user-friendly screw terminals, installation is efficient, allowing for quick and secure connectivity. Operating smoothly at temperatures up to 40°C, it comes pre-programmed, requiring no additional setup, and is ready to function right out of the box. The included user manual offers comprehensive guidance on installation, operation, and troubleshooting, making this soft starter a practical choice for demanding industrial tasks.