The Trane SFCAP50D75440R Run Capacitor (also known as HCKY500D075R440318Z6) is a dual-value round capacitor built for HVAC systems that require both fan and compressor support. With a capacity of 50 + 7.5 MFD at 440 volts, this component ensures stable, energy-efficient motor operation and helps maintain consistent system performance across varying electrical loads. Key Features Dual capacitance: 50 + 7.5 MFD for compressor and fan motors 440V rated, ideal for demanding HVAC applications Compatible with 50/60 Hz power systems OEM-quality construction ensures reliable performance Round metal casing for easy replacement and installation Specifications Part Numbers: SFCAP50D75440R / HCKY500D075R440318Z6 / 2022050840 Capacitance: 50 + 7.5 microfarads (MFD) Voltage Rating: 440 VAC Frequency: 50/60 Hz Shape: Round Application: Run capacitor for HVAC systems, fan and compressor motors Compatible Models (General use) ? Suitable for HVAC units requiring a 50 + 7.5 MFD, 440V run capacitor. Why Choose This Item This Trane OEM capacitor is engineered for long-lasting dependability and energy-efficient performance. Whether replacing a worn capacitor or maintaining peak system efficiency, the SFCAP50D75440R ensures your unit?s motor and fan run reliably, reducing downtime and protecting your HVAC investment.