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A dual run capacitor with a 30 MFD compressor side and a 7.5 MFD fan side, rated 370/440V for residential AC systems. It replaces two separate run capacitors with one oval can, which frees space in the condenser cabinet and cuts wiring to a single three-terminal part. The 440V rating lets it stand in for a 370V capacitor of the same capacitance. It suits homeowners and techs replacing a failed compressor or fan capacitor on a typical split system, and it is a plain OEM-style part rather than a premium brand.
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This dual run capacitor combines two capacitance values in one unit: 30 MFD and 7.5 MFD. The larger 30 MFD side powers the compressor. The smaller 7.5 MFD side powers the condenser fan motor. One capacitor replaces two separate run capacitors, which saves space and simplifies wiring.
It is rated 370/440V and has three terminals. HERM connects to the compressor, FAN connects to the condenser fan motor, and COM is the common terminal that connects to the contactor.
A 440V capacitor can replace a 370V capacitor of the same MFD, because the voltage rating is a maximum, not the operating voltage. A 370V capacitor must not replace a 440V one. Round and oval cans are electrically interchangeable at the same rating, but the strap or bracket must hold the can securely.
