Run Capacitor,Oval, 17.5 MFD, 440/370

Mars 12936 – 17.5 MFD 440V Oval Motor Run Capacitor

The Mars 12936 is a single-value motor run capacitor rated at 17.5 microfarads (MFD) and 440 volts AC. Designed for use in permanent split capacitor (PSC) motor circuits, this capacitor is suitable for air conditioning, refrigeration, and ventilation applications requiring consistent motor torque and electrical phase balance. It features a compact oval aluminum case and is built to meet UL and EIA-456-A endurance and safety standards.

Manufactured under the JARD series by Mars, the 12936 model delivers reliable service life in high-cycle environments and supports single-phase motors operating under continuous load.

Technical Specifications

• Capacitance: 17.5 MFD ±6%
• Voltage Rating: 440 VAC, 50/60 Hz
• Case Style: Oval aluminum
• Dielectric: Oil-filled, non-PCB
• Temperature Range: -40°C to +70°C
• Terminals: ¼" male quick-connect spade terminals

Physical Dimensions

• Height: Approx. 3.75 inches
• Width: Approx. 1.75 inches
• Depth: Approx. 1.2 inches

Installation Requirements

Installation of the Mars 12936 should be performed by a licensed HVAC technician. Confirm system capacitance and voltage requirements before installation. Disconnect power and safely discharge any existing capacitor before handling. Secure the replacement using approved bracketry and ensure terminals are firmly seated to avoid arcing or lead failure during operation.

Use Case and Application

This capacitor is typically used in blower motors, fan coils, and condensing units where a 17.5 MFD single-value capacitor is specified. It is suitable for use across various OEM platforms and retrofit applications. Its compact oval profile allows for installation in restricted service compartments and multi-component panels.

Contractor-Grade Features

• ✅ Single-Value Motor Support – For PSC blower or condenser fan motors
• ✅ 440V Rating – Suitable for both 370V and 440V rated systems
• ✅ UL Recognized / EIA-456-A Compliant – Built for endurance and electrical reliability
• ✅ Pressure-Sensitive Interrupter – Provides safety shutoff in the event of overpressure
• ✅ Compact Form Factor – Oval case fits standard mounting straps or OEM clips