Description
The Trane SFCAP45440R is a 45 MFD, 440-volt round run capacitor engineered to maintain consistent motor operation in air conditioning and heat pump systems. Designed as a direct OEM replacement for compatible Trane equipment, this capacitor helps ensure motors start smoothly and run efficiently throughout the cooling season.
Why Run Capacitors Matter
Run capacitors remain energized throughout the entire motor operating cycle, providing the continuous phase shift needed to keep single-phase motors running at peak efficiency. A failed or weak run capacitor is one of the most common causes of compressor and fan motor failures — replacing it promptly with the correct OEM-spec part protects the entire system investment.
Key Specifications
- Capacitance: 45 MFD (microfarads)
- Voltage Rating: 440V
- Shape: Round
- Type: Run Capacitor
- Brand: Trane
- SKU / Part Number: SFCAP45440R
Features & Benefits
- OEM Trane replacement part for precise fit and compatibility
- Round form factor for easy installation in standard capacitor brackets
- 440V rating provides a safety margin for typical residential and light-commercial HVAC applications
- Helps maintain motor efficiency and reduces the risk of premature motor burnout
- Designed for use with compressor motors, condenser fan motors, and air handler fan motors
Application
This run capacitor is intended for use in Trane air conditioners, heat pumps, and related HVAC equipment requiring a 45 MFD, 440V round capacitor. Always verify the capacitance (MFD), voltage rating, and physical dimensions against the original capacitor before installation.
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