430-516 uF MFD 110-125 VAC ±20% 50/60 Hz Round Start Capacitor - Fits Single-Phase Electric Motors
BlueStars 430-516 uF 110-125 VAC round start capacitor for single-phase electric motors.
Four-step installation guide for replacing a 430-516 uF round start capacitor on a single-phase electric motor.
BlueStars 430-516 uF round start capacitor for single-phase electric motors with replacement guide infographic.
BlueStars 430-516 uF 110-125 VAC round start capacitor for single-phase electric motors shown in lifestyle graphic.
BlueStars 430-516 uF 110-125 VAC round start capacitor with dimensions labeled for single-phase electric motors.
Specification chart for 430-516 uF 110-125 VAC round start capacitor for single-phase electric motors.
BlueStars 430-516 uF 110-125 VAC round motor start capacitor with 2-pin terminal.
BlueStars 430-516 uF round start capacitor with detailed callouts for metalized film and phenolic resin construction.
Infographic showing how to choose a 430-516 uF 110-125 VAC round start capacitor for electric motors.
Close-up of a 430-516 uF round start capacitor being installed into a single-phase electric motor.
430-516 uF 110-125 VAC round start capacitor for single-phase electric motors shown with a cutaway pump motor.
Infographic showing 430-516 uF start capacitor applications for electric motors, water pumps, and heat pumps.
BlueStars 430-516 uF 110-125 VAC round start capacitor for single-phase electric motors.
Four-step installation guide for replacing a 430-516 uF round start capacitor on a single-phase electric motor.
BlueStars 430-516 uF round start capacitor for single-phase electric motors with replacement guide infographic.
BlueStars 430-516 uF 110-125 VAC round start capacitor for single-phase electric motors shown in lifestyle graphic.
BlueStars 430-516 uF 110-125 VAC round start capacitor with dimensions labeled for single-phase electric motors.
Specification chart for 430-516 uF 110-125 VAC round start capacitor for single-phase electric motors.
BlueStars 430-516 uF 110-125 VAC round motor start capacitor with 2-pin terminal.
BlueStars 430-516 uF round start capacitor with detailed callouts for metalized film and phenolic resin construction.
Infographic showing how to choose a 430-516 uF 110-125 VAC round start capacitor for electric motors.
Close-up of a 430-516 uF round start capacitor being installed into a single-phase electric motor.
430-516 uF 110-125 VAC round start capacitor for single-phase electric motors shown with a cutaway pump motor.
Infographic showing 430-516 uF start capacitor applications for electric motors, water pumps, and heat pumps.
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430-516 uF MFD 110-125 VAC ±20% 50/60 Hz Round Start Capacitor - Fits Single-Phase Electric Motors

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430-516 uF/MFD 110-125 VAC ±20% Volts Round Start Capacitor 50/60 Hz AC Electric

Key Features

  • Capacitance: 430-516 uF/MFD
  • Voltage Rating: 110-125 VAC
  • Frequency: 50/60 Hz
  • Tolerance: ±20%
  • Operating Temperature Range: -40°C to +65°C (-40°F to +149°F)
  • Shape: Round
  • Dimensions (Diameter x Height): 1.43 in x 3.3 in (36mm x 85mm)
  • Terminals: 1/4 inch male quick-connect
  • Housing: Moisture and oil-resistant case

Replaces / Cross-Reference Part Numbers

  • Replaces any round start capacitor with the same capacitance range and voltage rating. Verify that the physical dimensions are compatible with your application.

Compatibility & Fitment

  • Designed for intermittent duty in single-phase AC motor starting circuits.
  • Common applications include HVAC units, air compressors, well pumps, refrigeration systems, and other motor-driven equipment requiring a start capacitor with matching specifications.

When to Replace

  • Motor hums but fails to start or struggles to start.
  • Circuit breaker trips when the motor attempts to start.
  • Visible damage to the old capacitor, such as bulging, leaking fluid, or cracks.

Installation Tips

  • Disconnect all electrical power to the equipment before servicing.
  • Safely discharge the existing capacitor by shorting the terminals with an insulated tool.
  • Confirm the replacement capacitor's specifications match the original component. The voltage rating must be equal to or greater than the original.
  • AC start capacitors are non-polarized and can be connected without regard to wire color.
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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

If your motor hums but fails to reach operating speed, or if it trips the breaker immediately upon startup, the start capacitor is likely the culprit. You may also notice the motor struggling to turn, overheating, or emitting a burning smell. If the capacitor casing appears bulged, cracked, or shows signs of leaking fluid, it must be replaced.
This unit replaces various industry-standard capacitors, including BMI/USA part number 092A430B125AD2A and Appli Parts model CON-430-110. It is designed to work in any application requiring a 430-516 uF rating at 110-125 VAC.
This capacitor is designed for single-phase electric motors, including those found in pool pumps, air compressors, gear motors, and various fractional horsepower motor applications.
Replacing a start capacitor is generally a straightforward task that takes about 15 to 30 minutes. You will need a screwdriver to access the motor housing and a pair of needle-nose pliers to disconnect the quick-connect terminals. Ensure the power is completely disconnected before beginning.
Before installation, verify that the motor's centrifugal switch is functioning correctly, as a faulty switch can cause a new capacitor to fail prematurely. Additionally, inspect the wiring for any signs of heat damage or loose connections. Always discharge the old capacitor by shorting the terminals with an insulated screwdriver before handling it, as it may hold a residual electrical charge.
No, start capacitors are non-polarized, meaning they can be installed in either direction. The 1/4-inch male quick-connect terminals are interchangeable.