Soft start

The starting behaviour of the motor can be influenced with the aid of a soft start or soft starter. This can have a positive effect on the service life of the gearbox and its bearings. The switch-on voltage and ramp-up time for Suma standard soft starters can be set very easily using potentiometers. The length of the set ramp-up time determines the time it takes for the motor voltage to rise from the set starting voltage to the mains voltage. The level of the starting voltage determines the starting torque of the motor. A lower starting voltage results in a lower starting torque and lower starting current.