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88-108 uF MFD 220-250 VAC Round Motor Start Capacitor 50/60 Hz - Fits AC Motor Run, Fan Start, Heat Pump

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88-108 uF/MFD 220-250 VAC Round Motor Start Capacitor

Key Features

  • Capacitance: 88-108 Microfarads (uF/MFD)
  • Voltage Rating: 220-250 Volts AC (VAC)
  • Frequency: 50/60 Hz
  • Shape: Round
  • Case Construction: Moisture and oil-resistant housing
  • Terminals: Standard dual blade connectors
  • Duty Cycle: Intermittent, designed for motor starting

Replaces / Cross-Reference Part Numbers

This capacitor is a functional equivalent for parts with the same capacitance and voltage ratings. It can replace parts from multiple manufacturers, including but not limited to:

  • Packard: PTMJ88
  • BMI: 092A088B250BD4A
  • DiversiTech
  • Supco
  • Seentech

Compatibility & Fitment

For use in single-phase AC electric motors that require an initial starting torque. Common applications include:

  • HVAC blowers and fans
  • Air conditioning compressors
  • Refrigeration systems
  • Well pumps and other water pumps
  • Industrial and appliance motors

Ensure the capacitance (88-108 uF) and voltage (220-250 VAC) ratings match the original part's specifications.

When to Replace

A failing or failed start capacitor can cause the following symptoms:

  • Motor produces a humming sound but does not start
  • Motor starts slowly or requires manual assistance to turn
  • Breaker trips when the motor attempts to start
  • Visible damage such as bulging, cracking, or leaking fluid from the capacitor case

Installation Tips

  • Safety Warning: Disconnect all electrical power to the unit before servicing. Capacitors store a dangerous electrical charge.
  • Safely discharge the existing capacitor by shorting its terminals with an insulated tool.
  • Note the wire connections before removing the old part.
  • Confirm the uF and VAC ratings of the new capacitor match the component being replaced. The voltage rating can be equal to or higher than the original, but never lower.
  • This AC capacitor is non-polarized; wires can be connected to either terminal.
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  • Perfect fit

    Perfect fit

    Universal fit with any brands with the same ratings
  • Premium quality

    Premium quality

    This product adopts a high-quality metalized polypropylene film that provides stable and durable performance
  • Saving solution

    Saving solution

    Enjoy the great feeling when your engine is repaired and works properly like before - BlueStars brings DIY solutions to help you deal with any trouble
  • Simple installation

    Simple installation

    Because the capacitor is a relatively simple part, the installation just takes a few minutes and will save you at least a hundred bucks in labor

FAQ

This capacitor measures 1-13/16 inches in diameter and 3-3/8 inches in length.
Common symptoms of a failing start capacitor include the motor humming or buzzing but failing to reach full speed, the motor struggling to start, or the motor failing to start entirely. You may also notice the capacitor casing is bulging, leaking, or shows signs of burn marks.
You can replace a capacitor with one that has a higher voltage rating than the original (e.g., using a 250V capacitor to replace a 220V one), but you should never use one with a lower voltage rating. The microfarad (uF/MFD) rating should match the original specification as closely as possible to ensure the motor starts correctly.
Always disconnect the power supply to the equipment before beginning work. Because capacitors store an electrical charge even after the power is off, you must safely discharge the old capacitor by using an insulated screwdriver to bridge the terminals before handling it.
This is a start capacitor designed for applications such as AC motors, fans, and heat pump systems requiring an 88-108 uF rating at 220-250 VAC. It is not intended for use as a 'run' capacitor, which is designed for continuous duty. Always verify your motor's specific requirements before installation.