Run Start Capacitor, Round, 50/7.5 MFD, 440/370

$13.10
- +
In stock
2 Available At My Branch
4 Available At All US Supply Locations
Brand
Mars
Part Number
12791
SKU
2026553
Mars 12791 – Jard Dual Run Capacitor, 50/7.5 MFD, 440V, Round Case The Mars 12791 capacitor, manufactured under the Jard brand, is a dual-section motor run capacitor engineered to operate both compressor and condenser fan motors in HVAC systems. Rated at 50/7.5 microfarads with a maximum voltage of 440 VAC, this capacitor is built for continuous duty in residential and light commercial applications. Constructed with metallized polypropylene film in an oil-filled aluminum case, it ensures dependable electrical performance under thermal and mechanical stress. The cylindrical case supports standard ¼" quick-connect terminals for simplified wiring and integration into existing systems. Technical Specifications Model: Mars 12791 (Jard series) Capacitance: 50/7.5 µF ±5% Voltage: 370/440 VAC Frequency: 50/60 Hz Operating Temperature Range: -40°C to +70°C Enclosure: Round aluminum case Safety Feature: Pressure-sensitive interrupter Terminal Type: ¼" male quick-connect Application: PSC motors in HVAC condenser units Performance and Application Designed for use in systems requiring support for both fan and compressor motors Suitable for split system air conditioners and heat pump condensers Maintains electrical stability under high-load and continuous-duty conditions Ideal for systems that operate across fluctuating line voltages Installation Overview This component should be installed by a licensed HVAC technician to ensure proper sizing, safe handling, and code compliance. Key considerations include: Confirm system compatibility prior to installation Disconnect power and discharge existing capacitor before replacement Observe terminal labels and wiring diagrams for proper lead placement Inspect mounting hardware and secure the capacitor using manufacturer-approved brackets Contractor-Focused Benefits Dual-section design reduces the need for multiple capacitors in shared motor systems High voltage rating accommodates systems operating near or above nominal 370V Oil-filled aluminum case promotes thermal dissipation and corrosion resistance Compact form factor allows installation in tight compartments

Specifications

Specifications
Weight 0.850000
Height 2.5
Length 5.5
Width 2.6
Recommended 7417
Brand Mars
Manufacturer Part Number 12791
Frequency Rating 50/60 Hz
Item Returns This item can be returned
Features