Soft starters are innovative electrical devices that are designed to control the starting current and torque of electric motors. They are designed to provide a smooth and gradual start to the motor, rather than having a sudden, high initial current surge. 

Soft starters are widely used in a variety of industries, including manufacturing, mining, and transportation. They are particularly useful in applications where high loads are required, or where frequent starts and stops are needed.

Overall, soft starters are a highly beneficial and cost-effective solution for controlling the starting current and torque of electric motors. They provide increased equipment performance, reduced energy consumption, and improved reliability and lifespan for electrical motors.