Single Run Capacitor, Round, 35/440 uF
1 Available At All US Supply Locations
Contractor-Grade Reliability – Jard 35/440 uF Round Run Capacitor
The Jard 35/440 uF Round Run Capacitor is engineered to support continuous-duty motor applications, ensuring sustained torque and operational efficiency in HVAC systems. Designed with high-grade aluminum and non-PCB dielectric fluid, this capacitor is optimized for consistent field performance under demanding thermal and electrical conditions.
Why the Jard 12743 Is Preferred by HVAC Professionals
Manufactured by Jard, a division of Mars, this capacitor delivers critical power factor correction and stable voltage performance across a wide ambient range. Its build quality and adherence to ANSI/EIA-463 standards make it a dependable choice for both replacement and OEM service work.
Core Performance Features
- ✅ Capacitance: 35 μF ±5% tolerance – provides consistent reactive power to maintain motor efficiency.
- ✅ Voltage Rating: 440 VAC – suitable for high-load applications across commercial and residential systems.
- ✅ Non-PCB Fluid: Uses environmentally safer dielectric material, meeting safety and environmental regulations.
- ✅ Built-in Interrupter: Overpressure device provides automatic disconnect protection during fault conditions.
- ✅ Wide Temp Range: Rated from -40°C to +70°C operating range, with Class B insulation system for thermal durability.
Technical Specifications
- Capacitance: 35 microfarads (μF)
- Rated Voltage: 440 VAC
- Frequency: 50/60 Hz
- Case Style: Round aluminum shell
- Height: Approx. 4-1/4 in.
- Diameter: Approx. 1-3/4 in.
- Terminals: 1.25-in. quick-connect, 4 terminals
Installation Notes
Installation should be handled by licensed HVAC professionals to ensure full compliance with safety protocols and electrical code. Always de-energize the system before servicing capacitors and verify circuit status with a calibrated multimeter. Proper mounting and terminal torque application are essential for long-term reliability.
Field Applications
- ✅ Replaces Standard 35 μF/440V Capacitors – suitable for compressors, blower motors, and condenser fans.
- ✅ Field-Proven Performance – used in rooftop units, split systems, and light commercial air handlers.
- ✅ UL Recognized Component – compliant with industry testing and reliability standards.
Optimize System Stability with Jard
For contractors requiring dependable capacitor replacements or service inventory, the Jard 12743 – 35/440 Round Run Capacitor delivers performance consistency, safety compliance, and installation versatility. Equip your toolkit with a component designed to meet the demands of high-reliability motor circuits.
Specifications
| Weight | 0.450000 |
|---|---|
| Length (inches) | 4.4 |
| Width (inches) | 2.2 |
| Height (inches) | 2.1 |
| Item Type | Capacitors |
| Brand | Mars |
| Capacitance | Single Capacitance |
| Case Height | 3-3/4 in |
| Manufacturer | Motors & Armatures, Inc. |
| MPN | 12743 |
| Frequency Rating | 50/60 Hz |
| Shape | Round |
| Item Returns | This item can be returned |

