Description
Product Overview
The Mars 12078 is a 40/3 Microfarad (MFD) dual run capacitor rated at 440 VAC, engineered to support both the compressor and the fan motor in a single round housing. Dual run capacitors are a staple in residential and light commercial HVAC systems, providing the sustained capacitance needed to keep motors running efficiently throughout the cooling or heating cycle.
Key Features
- Dual run capacitor supports compressor and fan motor simultaneously
- Capacitance rating: 40/3 Microfarad (MFD/µF)
- Voltage rating: 440 VAC
- Round housing for easy, space-saving installation
- Replaces failed or weak run capacitors in split systems, heat pumps, and package units
- Designed for long service life and consistent electrical performance
Application
The Mars 12078 is ideal for use in air conditioning condensing units, heat pumps, and package HVAC equipment where a single dual-rated capacitor is used to run both the compressor and the condenser fan motor. It is a direct replacement for OEM capacitors with matching MFD and voltage ratings.
Specifications
- SKU: 12078
- Brand: Mars
- Type: Dual Run Capacitor
- Capacitance: 40/3 MFD (µF)
- Voltage: 440 VAC
- Shape: Round
Why Choose Mars Capacitors?
Mars has been a trusted name in HVAC electrical components for decades. Their capacitors are built to meet or exceed industry standards, delivering dependable motor start and run performance in demanding environments. The round form factor fits most standard capacitor mounting brackets, simplifying field replacement.
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