Stellar SR33 basic soft starters are for general purpose across-the-line or wye delta starting. Available in sizes 22–482 A, they control three-phase AC induction motors with a variety of motor loads. They have two-phase control; adjustable motor start voltage and start and stop times; and fault indication for SCR or power supply, overheat, control power supply, bypass relay failure, shearpin, overload and overcurrent.
