Product Overview
The Mars 12743 is a 35 microfarad (MFD), 440VAC round run capacitor engineered for dependable, continuous-duty performance in residential and light commercial HVAC systems. Designed to maintain the proper phase relationship in single-phase motors, this capacitor helps ensure smooth, efficient operation of compressors, condenser fan motors, and air handler blower motors.
Key Specifications
- Capacitance: 35 Microfarad (MFD/µF)
- Voltage Rating: 440VAC
- Style: Round
- Type: Run Capacitor
- SKU / Part Number: 12743
Features & Benefits
- Rated at 440VAC for compatibility with a wide range of single-phase HVAC motors
- Round form factor for easy installation in standard capacitor brackets and mounting clips
- Continuous-duty rated for sustained motor run applications
- Helps improve motor efficiency and extend equipment life
- Direct replacement for OEM run capacitors in many makes and models
- Manufactured by Mars — a trusted name in HVAC electrical components
Common Applications
- Air conditioning compressors
- Condenser fan motors
- Evaporator blower motors
- Heat pump systems
- Light commercial HVAC equipment
Why Choose Mars Capacitors?
Mars has built a strong reputation in the HVAC industry for producing high-quality electrical components that meet or exceed OEM specifications. The Mars 12743 run capacitor is a reliable, cost-effective solution for technicians performing routine maintenance, warranty repairs, or emergency replacements in the field.
