The SJR2 series soft starters are highly integrated with various motor protection functions , making the soft starterapplication design simpler and more reliable, ensuring safe operation of the motor. Mulf-protection including over-voltage, undervaltage, over current, lack of phase input and output, three-phase imbalance,short cir cuit. Ramp-up smooth and reliable at small current. Ramp-up curve is changeable as per working conditions. Analog output (DC0~20mA). Different ramp up methods and protedion methods for different applications. Start up limit 6~30times / hour. Programmable relay output