Mars 12797 – Dual Section Motor Run Capacitor, 35/10 MFD, 440V, Round
The Mars 12797 is a dual section run capacitor rated for continuous duty in HVAC applications. Designed to support both compressor and fan motor circuits, this capacitor delivers 35 microfarads (HERM) and 10 microfarads (FAN) at up to 440 volts AC. Its round aluminum case includes standard 3-terminal configuration and an internal pressure-sensitive interrupter for added safety.
Specifications:
Capacitance: 35 µF (compressor), 10 µF (fan)
Voltage Rating: 440V AC
Frequency: 50/60 Hz
Configuration: Dual run
Shape: Round
Terminal Type: Standard 3-tab (C, HERM, FAN)
Case Material: Aluminum
Dielectric: Metallized polypropylene film
Temperature Range: -40°C to +70°C
Internal Protection: Pressure-sensitive interrupter
Certifications: UL 810 recognized, RoHS compliant
Application: PSC motors in residential and commercial HVAC systems
Application Use:
Ideal for split system air conditioners and other HVAC units requiring dual motor support, the Mars 12797 allows simultaneous operation of compressor and fan motors in a single, compact form factor. It is compatible with a range of condenser models and is suitable for OEM replacement or field service.
Installation Notes:
Verify capacitance and voltage ratings match the existing component. Disconnect power and discharge capacitor before installation. Follow equipment manufacturer guidelines and adhere to applicable codes. Qualified personnel should handle installation to ensure safety and compliance.