This capacitor is the direct replacement for many air conditioners and heat pumps. Fitting Notice Due to changes in capacitor materials and manufacturing over the years there have been slight variations in case diameter. This is especially true if replacing an older plastic capacitor with a new metal case capacitor. If your capacitor mounts through a round hole bracket it may be necessary to enlarge the hole slightly with a file or grinder on some older units. More About Runing Capacitor A running capacitor uses the charge in the dielectric to boost the current which provides power to the motor. It is used to maintain a charge. In AC units, there are dual run capacitors. One capacitor provides power to the fan motor. The other sends power to the compressor. Run capacitors measure in at approximately 7-9 micro-Farads. The value or rating of the run capacitor must be accurate. If the value is too high, the phase shift will be less than perfect and the winding current will be too high. If the capacitor value/rating is too low, the phase shift will be higher and the winding current will be too low. If run capacitors are not ideal, then the motor could overheat and the true torque will not be enough to drive current. SpecificationsNominal Capacitance: 5UFRated Voltage: 450VT-Max 21+85C 50/60Hz 25/85/21100000 AFC400V-DB HSFNT 450V-DBPackage Contents1 x Running Capacitor
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