Description
Mars 12964 Oval Dual Run Capacitor Overview
The Mars 12964 is a heavy-duty oval dual run capacitor engineered to keep residential and light commercial air conditioning systems running at peak efficiency. Rated at 20/15 microfarads and 370 volts AC, this capacitor simultaneously supports both the compressor and the condenser fan motor from a single, compact unit — simplifying installation and reducing the number of components needed in the electrical panel.
Key Specifications
- Capacitance: 20/15 MFD (microfarads)
- Voltage Rating: 370VAC
- Configuration: Dual Run (compressor + fan motor)
- Shape: Oval
- Brand: Mars
- SKU / Part Number: 12964
Features & Benefits
- Dual-section design powers both the compressor and fan motor with one capacitor, reducing parts count
- Oval form factor fits standard capacitor mounting brackets and tight equipment cabinets
- 370VAC rating provides reliable performance across a wide range of residential and light commercial HVAC equipment
- Built to Mars quality standards for long service life and consistent capacitance values
- Direct replacement for failed or weak dual run capacitors in split-system air conditioners and heat pumps
Typical Applications
- Residential split-system central air conditioners
- Heat pump condensing units
- Light commercial package units
- Any system requiring a 20/15 MFD, 370VAC oval dual run capacitor
Installation Notes
Always discharge the existing capacitor before removal. Verify the MFD ratings and voltage match the OEM specifications on the equipment nameplate. The oval shape and standard terminal configuration allow for straightforward drop-in replacement in most condensing unit applications.
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