C27 Motor Run Capacitors KEMET C27 Motor Run Capacitors feature a polypropylene metallized film capacitor with a cylindrical, plastic can-type design filled with resin. These caps use FASTON and plastic deck or cable terminals. The C27 series is self-healing with a 50Hz and 60Hz rated frequency and high capacitance density. KEMET C27 Motor Run Capacitors are IMQ and UL 810 approved (construction only) and ideal for motor run S0 safety class applications.