MARS 12969 Run Capacitor
The MARS 12969 Run Capacitor is a heavy-duty 30/5 MFD 370V AC oval dual run capacitor engineered for demanding condenser motors and compressor applications. This internal metallized polypropylene film component provides the necessary phase shift for efficient motor startup and continuous operation in residential and commercial HVAC/R systems. Designed for high reliability, it features a 60,000-hour operational life and maintains stable capacitance across a temperature range of -40°C to +70°C. As a direct physical and electrical replacement for CPT00975 and 53H23, the 12969 utilizes a standard 4-terminal configuration for localized wiring of the fan and compressor circuits. The non-pcb, oil-filled aluminum housing is corrosion-resistant and pressure-sensitive, meeting EIA-456-A standards for safety and performance in 50/60 Hz applications.
Key Benefits for Technicians- Universal Compatibility: Serves as a precise drop-in for 30+5 microfarad requirements in air conditioners and heat pumps.
- High-Grade Construction: Encased in a rugged aluminum shell to thrive in harsh rooftop and outdoor environment conditions.
- Optimized Form Factor: The compact oval profile allows for installation in tight electrical service panels where space is limited.
- Extended Field Life: Rated for 60,000 hours of service, significantly reducing callbacks for premature component failure.
- Safety Integrated: Features a pressure-sensitive interrupter and 10,000 AFC protection for reliable circuit termination.
Can I use a 440V capacitor to replace this 370V model?
Yes, a 440V rated capacitor is a suitable upgrade for a 370V application as it offers a higher dielectric strength, but always ensure the MFD rating matches exactly (30/5).
What are the dimensions for mounting clearance?
The MARS 12969 features a case height of 2.375 inches and a physical footprint of 2.81 inches in width by 1.81 inches in depth.
Does this unit include a bleed resistor?
This is a standard run capacitor; if your specific motor application requires a bleed resistor for discharge, it must be field-installed according to the manufacturer's schematic.
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.
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