Description
The Mars 12925 is a 50 Microfarad (MFD), 370VAC oval run capacitor engineered for dependable, continuous-duty performance in residential and light commercial HVAC systems. Designed to maintain the proper phase shift needed to keep single-phase motors running efficiently, this capacitor is a trusted replacement for compressors, condenser fan motors, and blower motors across a wide range of equipment brands.
Key Features
- Capacitance: 50 Microfarad (MFD/µF)
- Voltage rating: 370VAC
- Oval form factor for easy installation in tight equipment cabinets
- Designed for continuous-duty run applications
- Compatible with single-phase compressors, condenser fan motors, and air handler blower motors
- Manufactured by Mars — a trusted name in HVAC electrical components
Applications
- Air conditioning compressors
- Condenser fan motors
- Evaporator blower motors
- Heat pump systems
- Light commercial HVAC equipment
Why Choose a Mars Run Capacitor?
Mars run capacitors are built to withstand the demanding thermal and electrical cycles of HVAC operation. The oval housing design simplifies drop-in replacement, while the 370VAC rating provides a reliable safety margin for standard 208–240VAC motor circuits. Keeping a properly rated run capacitor in service helps prevent motor overheating, reduces energy consumption, and extends the service life of your HVAC equipment.







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