Single Run Capacitor, Round, 25/440 uF

Mars 12740 – Jard 25 MFD 440V Round Motor Run Capacitor The Mars 12740 (Jard) is a single-value motor run capacitor rated at 25 microfarads (MFD) and 440 volts AC, designed for continuous-duty use in HVAC systems. It is commonly installed in single-phase motors for air handlers, condensers, and other HVAC applications requiring a high-reliability run capacitor. Constructed with metallized polypropylene film and an aluminum canister, this capacitor includes a built-in pressure interrupter as a safety feature. The design ensures consistent operation across a broad temperature range and is compliant with industry safety and quality standards. Product Specifications: Manufacturer: Mars (Jard) Model Number: 12740 Capacitance: 25 µF Voltage: 440 VAC Frequency: 50/60 Hz Shape: Round Case Material: Aluminum Terminal Type: ¼" quick-connect spade terminals Operating Temp Range: -40°C to +70°C Height: Approximately 3.5 inches Diameter: Approximately 1.75 inches Safety Features: Pressure-sensitive internal interrupter Dielectric Type: Metallized polypropylene film Non-PCB: Yes Certification: UL 810 recognized Application Notes: Suitable for use in permanent split capacitor (PSC) motors Used in fan motors, blowers, and condenser units requiring 25 µF / 440V Compatible with various OEM specifications where equivalent ratings apply Installation Guidelines: Always disconnect power and discharge the existing capacitor before handling. Verify voltage and capacitance ratings before replacement. Secure the new capacitor with approved mounting hardware to prevent vibration. Match terminal connections based on the system wiring schematic. Installation should be performed by qualified personnel in accordance with NEC and local code requirements. This capacitor offers stable electrical performance and mechanical durability, making it suitable for routine replacement or system upgrades in residential and light commercial HVAC equipment.