Run Capacitor, Oval, 50.0 MFD, 440/370
3 Available At All US Supply Locations
Reliable Performance – Jard 12949 50 MFD Oval Run Capacitor (440V)
The Jard 12949 is a precision-engineered oval run capacitor rated at 50 microfarads and 440 volts AC. Designed for continuous-duty operation in HVAC systems, it delivers consistent reactive power to keep single-phase induction motors operating at peak efficiency. Its construction and rating make it ideal for air conditioning compressors, fan motors, and other heavy-duty HVAC applications.
Contractor-Grade Advantages
Built for demanding environments, the Jard 12949 capacitor features heavy-duty internal elements and an aluminum case with corrosion-resistant terminals. This model is intended for professional use in field installations, service replacements, or OEM-equivalent applications where reliability and electrical integrity are essential.
- ✅ 50 µF Capacitance: Supports standard single-phase motor applications requiring precise reactive load.
- ✅ 440V AC Rating: Suitable for systems where voltage surges or high ambient conditions are expected.
- ✅ Oval Aluminum Case: Space-efficient profile supports compact installations within motor enclosures or equipment panels.
- ✅ Hermetically Sealed: Designed to resist moisture ingress and withstand mechanical vibration common in HVAC units.
- ✅ Non-PCB Design: Complies with safety and environmental standards for dielectric materials.
Technical Specifications
- Capacitance: 50 microfarads (µF)
- Rated Voltage: 440 VAC
- Frequency: 50/60 Hz
- Operating Temperature: -40°C to +70°C
- Case Type: Oval aluminum can
- Application: Continuous run motor support for HVAC systems
Installation Overview
Installation of the Jard 12949 should be performed by qualified personnel with experience in HVAC electrical systems. Proper discharge of stored energy and verification of circuit isolation are required prior to replacement. Secure mounting and tight terminal connections ensure both safety and optimal performance over time.
Key Considerations for Field Use
- ✅ OEM Replacement-Grade: Compatible with many legacy units from leading HVAC equipment manufacturers.
- ✅ Dual Terminal Design: Facilitates easy hookup in typical dual or single-capacitor circuits.
- ✅ Long Service Life: Manufactured to withstand high cycling and thermal stress.
Professional Recommendation
For HVAC technicians and system designers, the Jard 12949 offers a dependable capacitor solution for standard motor circuit applications. Ensure all system parameters align with the rated capacitance and voltage before installation.
Specifications
| Weight | 0.950000 |
|---|---|
| Length (inches) | 5.6 |
| Width (inches) | 2.9 |
| Height (inches) | 1.9 |
| Item Type | Capacitors |
| Brand | Mars |
| Capacitance | Single Capacitance |
| Case Height | 3-3/4 in |
| Manufacturer | Motors & Armatures, Inc. |
| MPN | 12949 |
| Frequency Rating | 50/60 Hz |
| Shape | Oval |
| Item Returns | This item can be returned |