In addition to soft starting and soft ramp down, the solid state SIRIUS 3RW44 soft starters provide numerous functions for higher level requirements. They are characterized by a compact space saving design and clearly arranged control cabinet layouts. The new torque control and adjustable current limiting enable these soft starters to be used in nearly every conceivable task and guarantee the reliable avoidance of sudden torque applications and current peaks during motor starting and stopping.
Soft starting with breakaway pulse, torque control or voltage ramp, adjustable torque or current limiting as well as any combination of these, depending on load type Integrated bypass contact system to minimize power loss Various setting options for the starting parameters such as starting torque, starting voltage, ramp up and ramp down time, and much more in three separate parameter sets Start up detection Inside delta circuit for savings in terms of size and equipment costs Various ramp down modes selectable: free ramp down, torque controlled pump ramp down, combined DC braking Solid state motor overload and intrinsic device protection Thermistor motor protection Keypad with a menu prompted, multi-line graphic display with background lighting Interface for communication with the PC for more accurate setting of the parameters as well as for control and monitoring Simple adaptation to the motor feeder Simple mounting and commissioning Display of operating states and fault messages External displays and operator modules