The Turbolytic50 is a replacement motor-start capacitor-with microfarad ratings from 21 to 324 mfd at 330vac. According the manufacturer, it can replace any one of 50 popular motor start capacitors found in OEM a/c and refrigeration installations. Simple use of supplied jumper wires can achieve any one of the 50 values. It fits directly in place of the failed part. American Radionic Co. Inc.