Mars 12936 – 17.5 MFD 440V Oval Motor Run Capacitor (JARD by Mars)
The Mars 12936 capacitor is a single-value run capacitor designed for continuous duty in permanent split capacitor (PSC) motors. With a capacitance rating of 17.5 microfarads (MFD) and a voltage rating of 440 VAC, this component supports steady motor operation in air conditioning and refrigeration systems.
It is housed in a compact oval aluminum case and is filled with a non-PCB dielectric fluid. The capacitor features an internal pressure-sensitive safety interrupter to prevent case rupture under fault conditions. Manufactured by JARD, a division of Mars, it meets or exceeds industry performance standards.
Specifications
Capacitance: 17.5 µF
Voltage: 440 VAC
Shape: Oval
Frequency: 50/60 Hz
Operating Temp: -40°C to +70°C
Dielectric Fluid: Oil-filled, non-PCB
Case Material: Aluminum
Safety Feature: Built-in pressure interrupter
Mounting Style: Standard clamp or strap
Application: PSC motors in HVAC equipment
Application Notes
The Mars 12936 is suitable for single-phase fan motors, blowers, and condensing unit compressors in residential and commercial HVAC systems requiring a 17.5 MFD, 440V capacitor. Proper installation requires discharge of the old capacitor and confirmation of match with OEM values. Only qualified HVAC professionals should perform replacements in accordance with local code and safety protoco