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400-480 uF MFD 110-125 VAC Round Motor Start Capacitor 50/60 Hz AC Electric Replacement - 2 Pack

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400-480 uf/MFD 110-125 VAC Round Motor Start Capacitor 50/60 Hz AC Electric - Pack of 2

Key Features

  • Package Quantity: Two (2) capacitors
  • Capacitance: 400-480 uF/MFD
  • Voltage Rating: 110-125 VAC
  • Frequency: 50/60 Hz
  • Capacitance Tolerance: +/- 20%
  • Shape: Round
  • Dimensions: 36mm Diameter x 70mm Height
  • Operating Temperature Range: -40°C to +70°C (-104°F to +158°F)

Replaces / Cross-Reference Part Numbers

  • Replaces any round motor start capacitor with the same capacitance and voltage ratings.
  • Commonly replaces capacitors identified as CD60 type.
  • Ensure physical dimensions are compatible with your existing mounting bracket.

Compatibility & Fitment

  • Designed for single-phase AC electric motors that require a start capacitor.
  • Suitable for a wide range of applications, including:
  • HVAC systems
  • Air conditioner compressors
  • Heat pumps
  • Refrigeration units
  • Well pumps and other water pumps
  • General purpose AC motors

When to Replace

  • Motor hums or buzzes but does not start.
  • Motor starts slowly or requires manual assistance to turn.
  • Circuit breaker trips upon motor startup.
  • Visible damage to the existing capacitor, such as swelling, bulging, or leaking fluid.
  • Capacitance measures outside of the +/- 20% tolerance range when tested with a multimeter.

Installation Tips

  • Disconnect all electrical power to the equipment before beginning installation.
  • Carefully discharge the old capacitor by shorting the terminals with an insulated tool.
  • Verify the uF/MFD and VAC ratings of the new capacitor match the specifications of the original part.
  • Note the wire placement on the old capacitor before disconnecting.
  • As an AC capacitor, it is not polarized; wires can be connected to either terminal.
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  • Benefits

    Benefits

    Start capacitors are needed at the beginning of each cycle and run capacitors are necessary for keeping HVAC running throughout the cycle. Replacing bad capacitors can help promote efficient operation and lengthen the life of your HVAC units
  • Energy Saving

    Energy Saving

    This capacitor will provide your electric motors with an outstanding electrical characteristic of high capacitance stability over time and temperature, and very low internal power loss.
  • Premium Quality

    Premium Quality

    The product is made of strong & durable materials that prevent cracking and failing during the installation and use process.
  • Safe To Install

    Safe To Install

    The capacitor is engineered for safety and ensure security when replacing
Shape
‎Round Motor Start
Capacitance tolerance
‎± 20%
Rated voltage
‎AC 110-125V
Temperature range
‎-40℃ to +65℃ / -40℉ to 149℉
Capacitor Dimensions
‎36mm x 70mm
Engineered For Safety
‎10000 AFC Anti Explosion Pressure Switch

FAQ

A failing start capacitor often prevents the motor from reaching its operating speed. You may hear a persistent humming or buzzing sound when the motor tries to start, or the motor may fail to turn over entirely. In some cases, you might notice a burning smell, or the capacitor casing may appear bulged, cracked, or leaking fluid.
This 400-480 uF capacitor is designed for use in a wide range of single-phase AC motor applications, including HVAC systems, air compressors, water pumps, and various industrial motor-driven equipment requiring a 110-125 VAC start boost.
Since this is a pack of two, it is often recommended to replace both if your system utilizes a dual-motor setup or if you are performing preventative maintenance on similar equipment. Capacitors degrade over time due to heat and usage cycles, so replacing them in pairs ensures balanced performance across your motors.
This round capacitor measures approximately 3 3/8 inches in height and 1 13/16 inches in diameter. It features two posts with two terminals per post for secure electrical connections.
Yes. Always disconnect the power supply to the equipment before attempting any repairs. Because capacitors store electrical energy even when the power is off, you must discharge the capacitor by bridging the terminals with an insulated-handle screwdriver before touching the connections to avoid a dangerous electrical shock.
This unit is a direct replacement for standard 400-480 uF, 110-125 VAC motor start capacitors, including the MARS 11924 and various CD60 style capacitors used in industrial and residential motor applications.