The Trane SFCAP45D5440R Round Run Capacitor is a dual-run capacitor rated at 45+5 MFD and 370/440 VAC, designed to support the efficient operation of HVAC systems. It stores and releases electrical energy to provide the necessary starting and running torque for compressor and fan motors. Commonly used in air conditioners, heat pumps, and condensing units, this capacitor helps maintain... https://www.partshnc.com/sfcap45d5440r-trane-45-5mfd-370440v-rnd-run-cap