Run Capacitor, Round, 80 MFD, 440/370

Consistent Motor Support – Jard 12759 80 MFD 440V Round Run Capacitor

The Jard 12759 80 MFD Round Run Capacitor is engineered to support continuous-duty motor applications in HVAC systems where stable voltage and long operational life are essential. Designed for single-phase motors, it provides the necessary reactive power to maintain proper torque and performance under load.

Built to handle demanding environments, this capacitor is suitable for use in air conditioning units, compressors, and fan motors where a 440V, 60/50 Hz component is specified. Its construction prioritizes longevity and operational integrity, making it an ideal choice for service professionals who require dependable hardware with consistent characteristics.

Performance-Critical Features

• ✅ 80 Microfarads Capacitance – Provides reliable reactive power output for motors under standard and elevated load conditions.
• ✅ 440 VAC Rating – Engineered to handle high-voltage applications typical in HVAC condenser fan and compressor motor circuits.
• ✅ Heavy-Duty Aluminum Canister – Ensures thermal stability and mechanical protection in high-temperature or vibration-prone enclosures.
• ✅ Non-PCB Dielectric – Environmentally safer internal construction, compliant with standard electrical safety protocols.
• ✅ Universal Fit – Standard cylindrical form factor accommodates most bracket-mounted capacitor housings in residential and commercial systems.

Technical Specifications

• Capacitance: 80 µF ±6%
• Rated Voltage: 440V AC
• Frequency: 50/60 Hz
• Configuration: Round can with dual terminals (typical ¼” quick-connect)
• Dielectric Fluid: Oil-filled, non-PCB
• Operating Temperature: -40°C to +70°C

Installation Guidance

This capacitor is intended for permanent split capacitor (PSC) motor applications and should be installed in accordance with system schematics and local electrical codes. While replacement is generally straightforward, proper identification of terminals and capacitance matching is critical. Use a multimeter with capacitance measurement to verify unit integrity prior to commissioning.

Note: Always discharge old capacitors and verify power disconnection before service. Incorrect installation can result in motor failure or fire hazard.

Contractor Applications

HVAC service technicians will find the Jard 12759 appropriate for use across a range of packaged units, split systems, and rooftop units where original capacitors in the 80 MFD, 440V specification are required. Its robust design and precise capacitance tolerance contribute to consistent motor torque, particularly in high-static pressure or cycling environments.

Summary of Benefits

• ✅ High Fault Tolerance – Designed to maintain capacitance over long duty cycles.
• ✅ Standard Dimensions – Compatible with most mounting brackets and OEM replacement protocols.
• ✅ Industrial-Grade Reliability – Trusted by HVAC technicians for critical field replacements.
• ✅ Thermal Overload Safety – Includes built-in pressure interrupter for controlled failure in overcurrent conditions.

Upgrade with Confidence

The Jard 12759 capacitor meets the demands of HVAC professionals seeking durability, electrical stability, and field-proven reliability. When precise component replacement is key to motor protection and system uptime, this capacitor delivers as specified.