3RW4073-6BB34

The Siemens 3RW4073-6BB34 soft starter drive is designed for high-efficiency motor control. It delivers effective soft starting for motors with output ratings of up to 132 kW at 400V or 460V, equivalent to approximately 177 HP. This unit boasts a rated operational voltage that spans from 200 VAC to 600 VAC, accommodating various motor types in diverse applications. The soft starter can handle a maximum rated current of 230 Amps at a temperature of 40°C, making it capable of managing substantial load demands.

Built with practical features, the 3RW4073-6BB34 includes an integrated bypass contact system, enhancing its efficiency by facilitating smoother transitions during motor operation. The device operates well across ambient temperatures, capable of handling conditions ranging from -25°C to +60°C. Soft starting and stopping functions ensure that motors start smoothly, minimizing mechanical stress and extending equipment lifespan.

This module also allows for adjustments with a starting and stopping voltage range of 40% to 100%, granting users flexibility. The starting and stopping times are configurable between 0 to 20 seconds, allowing precise control based on application requirements. The unit integrates screw terminals for straightforward wiring while adhering to UL and CSA standards for safety and compatibility. Power semiconductors employing a thyristor design with two controlled phases provide reliable operation in demanding settings.