Mars 12758 – Dual Motor Run Capacitor, 70 MFD, 440/370V, Round
The Mars 12758 is a single-section run capacitor designed for continuous-duty operation in HVAC equipment utilizing single-phase motors. Rated at 70 microfarads (µF) and capable of handling 440/370 VAC, this capacitor provides stable electrical performance in demanding air conditioning and refrigeration systems.
Product Specifications:
Capacitance: 70 µF
Voltage Rating: 440V AC / 370V AC
Frequency: 50/60 Hz
Shape: Round can
Case Material: Aluminum
Terminal Configuration: 2-terminal standard (dual blade)
Operating Temperature Range: -40°C to +70°C
Dielectric Material: Metallized polypropylene film
Internal Protection: Pressure-sensitive interrupter
Non-PCB: RoHS compliant, environmentally safe
Compliance: Meets or exceeds EIA-456A and UL 810 standards
Application:
Engineered for use in air conditioning condenser units, the Mars 12758 supports single-motor applications requiring 70 µF run capacitance. It is suitable for OEM replacement or maintenance of fractional and integral horsepower motors in commercial and residential HVAC systems.
Installation Notes:
Ensure all specifications match the original equipment. Disconnect power, discharge the capacitor before handling, and observe all safety protocols. Professional installation is recommended to maintain system performance and ensure code compliance.