Description
The Mars 12790 is a round dual run capacitor rated at 50/5 microfarads and 440 volts AC, engineered to support reliable starting and continuous operation of both the compressor and condenser fan motor in a single compact unit. Dual run capacitors are a staple in residential and light commercial HVAC systems, eliminating the need for two separate capacitors while delivering consistent performance across a wide range of equipment.
Key Features
- Dual capacitance rating: 50 MFD (compressor) / 5 MFD (fan motor)
- Rated voltage: 440 VAC — compatible with 370V and 440V systems
- Round form factor for easy installation in standard capacitor brackets
- Supports simultaneous operation of compressor and condenser fan motor
- Designed as a direct replacement for failed or degraded dual run capacitors
- Manufactured by Mars — a trusted name in HVAC electrical components
Applications
- Residential and light commercial central air conditioning systems
- Heat pump condensing units
- Package units requiring dual run capacitor support
Why Replace Your Dual Run Capacitor?
A failing dual run capacitor is one of the most common causes of air conditioner breakdowns. Symptoms include hard starting, humming, reduced cooling efficiency, or a compressor that won’t start. Replacing a worn capacitor with the Mars 12790 restores proper motor torque and protects your compressor from premature failure — a fast, cost-effective repair that extends equipment life.
Reviews
There are no reviews yet.