MARS 12008 Run Capacitor

The MARS 12008 Run Capacitor is a high-spec 10 MFD 370V oval capacitor engineered for demanding HVACR applications. As a staple in the MARS Blue Box line, this component provides the stable phase shift necessary for efficient motor operation in blower assemblies, fan motors, and light-duty compressors. This HVAC replacement capacitor is built with a rugged aluminum casing and utilizes non-PCB oil for superior heat dissipation during continuous duty cycles.

For technicians performing field service, the MARS 12008 ensures compatibility with legacy 370VAC systems while maintaining a strict ±10% capacitance tolerance. It is rated for a 60,000-hour operational life under standard conditions and meets the rigorous EIA-456-A compliance standards. Safety is managed via an internal pressure-sensitive interrupter designed to disconnect the element in the event of a failure, preventing case rupture. The 10 microfarad 370VAC oval run capacitor features standard 1/4-inch quick-connect terminals, allowing for rapid installation in tight control boxes.

Key Benefits for Contactors:

• Universal Application: Ideal for AC run capacitor replacement in 370V single-phase motor circuits.
• Industrial Durability: Aluminum construction with a wide operating temperature range from -40°C to +70°C.
• Safety Rated: UL and cUL listed with a built-in physical interrupter and non-PCB oil.
• High Reliability: Designed to meet or exceed OEM specifications for extended service life in residential and commercial units.
• Compact Footprint: The oval run capacitor 10 MFD design fits standard mounting brackets, measuring 2.625 inches in case height.

Common Questions:

Can I use a 370V capacitor if the old one was 440V?
No. Always match or exceed the original voltage rating. You can replace a 370V capacitor with a 440V unit, but you cannot replace a 440V capacitor with a 370V unit like the MARS 12008.

How do I know if this run capacitor is failing?
Common signs include a "bulged" top, oil leaks, or a motor that hums but fails to start. Testing with a multimeter should show a reading within 10% of the 10 MFD rating.

Is the MARS 12008 suitable for air conditioning compressors?
Yes, provided the compressor requires a 10 MFD 370V single-value capacitor. Always verify the motor nameplate or OEM parts list for the correct capacitance and voltage.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.