Midwest Hearth Motor Run Capacitor Single MFD Dual Voltage 370/440 Volts (Oval, 60 MFD) SINGLE MFD / DUAL VOLTAGE - One capacitor that's both 370 and 440 volt! HEAVY DUTY - Heavy duty, compact design for rugged performance. CERTIFIED - UL & cUL recognized. BUILT IN INTERRUPTER - Fail safe mode safety mechanism. VERSATILITY - Higher voltage capacitors can be substituted for lower voltage applications.