Description
The Mars 12928 is a 4 Microfarad (MFD) oval run capacitor rated at 440VAC, engineered to deliver consistent, dependable performance in residential and commercial HVAC applications. Run capacitors are essential components that maintain a continuous phase-shifted current to the start or auxiliary winding of a single-phase motor, improving efficiency, power factor, and overall motor longevity.
Key Specifications
- Capacitance: 4 Microfarad (MFD / µF)
- Voltage Rating: 440VAC
- Case Style: Oval
- Brand: Mars (Motor & Armature)
- Part Number: 12928
Applications
- Air conditioner condenser fan motors
- Air handler blower motors
- Heat pump fan and compressor circuits
- Single-phase HVAC motor applications requiring a run capacitor
Features & Benefits
- Oval case design for easy installation in tight equipment compartments
- 440VAC rating provides a wider safety margin for 370VAC-rated motor circuits
- Helps maintain proper motor torque and reduces energy consumption
- Designed for continuous-duty operation as a run capacitor
- Quality Mars construction for long service life in demanding HVAC environments
The Mars 12928 oval run capacitor is a trusted replacement component for HVAC technicians needing a reliable 4 MFD, 440VAC solution. Its oval form factor fits standard capacitor brackets and mounting hardware found in most residential and light commercial equipment.
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