
MARS 12212 Run Capacitor
Upgrade your HVACR motor performance with the MARS 12212 Run Capacitor, a professional-grade solution for demanding industrial and residential applications. This 17.5 MFD 370 VAC round run capacitor is engineered for a 60,000-hour operational life, ensuring long-term reliability for electric motors and compressors. Featuring a non-PCB, oil-filled design, this single capacitance run capacitor utilizes a physical interrupter for enhanced safety and performance. Its vertical or horizontal mounting flexibility and 17.5 microfarad rating make it a versatile replacement for aging or failed components.
Constructed with a rugged aluminum casing, the MARS 12212 withstands high voltage fluctuations and temperature ranges from -40°C to +70°C. Contractors trust this HVAC motor run capacitor to maintain precise power control and improve motor torque by providing the necessary phase shift. Designed to meet EIA-456 A standards, it ensures stable capacitance and high insulation resistance, making it essential for maintaining energy efficiency and minimizing downtime in complex cooling and heating systems.
Key Benefits:- High Durability: Robust aluminum construction with a 60,000-hour operational life rating.
- Safety Standards: Internal physical interrupter and non-PCB oil-filled design for reliable circuit protection.
- Energy Efficiency: Optimizes motor torque and power factor, reducing energy consumption and operational costs.
- Universal Compatibility: Standard 17.5 uF 370 volt rating fits a wide range of fan motors and smaller compressors.
- Can I use a 370V capacitor if my unit specifies 440V? No, while you can use a higher voltage rating (e.g., replacing a 370V with a 440V), you should never replace a 440V capacitor with a 370V model.
- How do I know if my 12212 capacitor is failing? Look for physical signs like a "bulged" top, oil leaks, or use a multimeter to check if the microfarad (MFD) reading has dropped below the ±5% tolerance.
- Is the MARS 12212 compatible with both 50Hz and 60Hz systems? Yes, this unit is rated for 50/60 Hz applications, making it suitable for standard HVACR systems.
This item is not eligible for free shipping.
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.
Original: $22.68
-65%$22.68
$7.94Product Information
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Description
Upgrade your HVACR motor performance with the MARS 12212 Run Capacitor, a professional-grade solution for demanding industrial and residential applications. This 17.5 MFD 370 VAC round run capacitor is engineered for a 60,000-hour operational life, ensuring long-term reliability for electric motors and compressors. Featuring a non-PCB, oil-filled design, this single capacitance run capacitor utilizes a physical interrupter for enhanced safety and performance. Its vertical or horizontal mounting flexibility and 17.5 microfarad rating make it a versatile replacement for aging or failed components.
Constructed with a rugged aluminum casing, the MARS 12212 withstands high voltage fluctuations and temperature ranges from -40°C to +70°C. Contractors trust this HVAC motor run capacitor to maintain precise power control and improve motor torque by providing the necessary phase shift. Designed to meet EIA-456 A standards, it ensures stable capacitance and high insulation resistance, making it essential for maintaining energy efficiency and minimizing downtime in complex cooling and heating systems.
Key Benefits:- High Durability: Robust aluminum construction with a 60,000-hour operational life rating.
- Safety Standards: Internal physical interrupter and non-PCB oil-filled design for reliable circuit protection.
- Energy Efficiency: Optimizes motor torque and power factor, reducing energy consumption and operational costs.
- Universal Compatibility: Standard 17.5 uF 370 volt rating fits a wide range of fan motors and smaller compressors.
- Can I use a 370V capacitor if my unit specifies 440V? No, while you can use a higher voltage rating (e.g., replacing a 370V with a 440V), you should never replace a 440V capacitor with a 370V model.
- How do I know if my 12212 capacitor is failing? Look for physical signs like a "bulged" top, oil leaks, or use a multimeter to check if the microfarad (MFD) reading has dropped below the ±5% tolerance.
- Is the MARS 12212 compatible with both 50Hz and 60Hz systems? Yes, this unit is rated for 50/60 Hz applications, making it suitable for standard HVACR systems.
This item is not eligible for free shipping.
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.












