Run Start Capacitor, Round, 65/5 MFD, 440/370

Job-Site Ready – JARD 65/5 MFD Dual Run Capacitor for HVAC Motor Support

The JARD 65/5 MFD Round Dual Run Capacitor (Mars 12642) is built for field reliability in HVAC systems utilizing single-phase induction motors. Designed to deliver continuous phase shift support for both compressor and fan motors, this dual-rated capacitor ensures balanced power delivery in high-demand applications. With its metallized polypropylene dielectric and aluminum case construction, it is suitable for new installations and OEM-quality replacements.

Key Performance Advantages

Engineered for commercial and residential HVAC systems, the 12642 capacitor meets stringent durability and operating specifications. Designed to operate under continuous load and thermal cycling, it maintains capacitance accuracy and discharge integrity over time. The dual-section configuration simplifies component sourcing and installation by combining start/run support for two motor circuits in one compact unit.

• ✅ Dual Application Design – Supports both compressor and condenser fan motor circuits, improving overall unit efficiency.
• 🔧 Heavy-Duty Build – Features a sealed aluminum round canister with corrosion-resistant terminals for reliable performance in harsh environments.
• 💪 Rapid Installation – Standard terminal layout supports fast retrofit or replacement during service calls.
• ✅ High Capacitance Rating – 65/5 µF values ensure compatibility with high-load equipment across varied system demands.
• 💦 Universal Voltage Use – Rated for 370/440 VAC to accommodate a range of single-phase motor systems.

Technical Specifications

• Voltage Rating: 370/440 VAC
• Capacitance: 65/5 µF (microfarads)
• Configuration: Dual Run Capacitor, Round Can
• Dielectric: Metallized polypropylene film
• Construction: Hermetically sealed aluminum can with rolled edge
• Dimensions: Standard 2-inch diameter for fitment in most system cabinets

Installation Overview

This capacitor is suitable for field service, new installations, and high-volume maintenance programs. Terminals are clearly marked for quick identification. While the component is straightforward to replace, installation must be performed by certified HVAC personnel to meet system integrity and code compliance requirements. Proper handling and meter verification are essential for accurate replacement.

Contractor Application Notes

For HVAC Technicians: The JARD 12642 provides a high-capacitance solution with dual circuit support, streamlining replacement inventory and field service time. Its robust design reduces the likelihood of early failure in continuous duty or seasonal-load environments. A solid choice for professional maintenance programs and emergency repairs.

Key Features

• ✅ 370/440 VAC Dual Rating – Suitable for a broad range of packaged and split HVAC units.
• 🔧 Space-Saving Design – Round can format allows direct drop-in for existing units with similar specs.
• 💪 Operational Stability – Maintains rated capacitance under continuous thermal and voltage stress.
• ✅ HVAC-R Compliant – Meets industry performance benchmarks for HVAC motor support components.

Ensure long-term reliability in your HVAC systems with the JARD 65/5 MFD Dual Run Capacitor (Mars 12642). Designed for the demands of real-world fieldwork, it’s a dependable component to keep in your service inventory and trusted for performance-critical motor circuits.