Description
The Mars 11924 is a round start capacitor rated at 400–480 microfarads (MFD) and 110/125VAC, engineered to deliver the high-torque starting boost that single-phase HVAC motors demand. Whether you’re servicing a residential air conditioner, heat pump, or commercial refrigeration unit, this capacitor provides the initial surge of electrical energy needed to get the motor spinning quickly and efficiently.
Key Features
- Capacitance: 400–480 Microfarad (MFD/µF)
- Voltage Rating: 110/125VAC
- Round form factor for easy installation in standard motor housings
- Designed for single-phase motor starting applications
- Durable construction for long service life in demanding HVAC environments
- Compatible with a wide range of compressor and fan motor applications
Application
Start capacitors are used in conjunction with the start winding of a single-phase motor to provide the phase shift and additional torque needed during startup. Once the motor reaches operating speed, the start capacitor is switched out of the circuit. The Mars 11924 is ideal for replacement applications in air conditioners, heat pumps, refrigeration equipment, and other HVAC systems requiring a 400–480 MFD, 110/125VAC round start capacitor.
Why Choose Mars Capacitors
Mars (Motors & Armatures) is a trusted name in the HVAC/R industry, known for producing high-quality electrical components that meet the rigorous demands of professional technicians and contractors. Mars start capacitors are built to OEM replacement standards, making them a reliable choice for both service calls and preventive maintenance.







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