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270-324 uF MFD 110-125 VAC Round Motor Start Capacitor 50/60 Hz - Fits Pool Pump, Well Pump - 2 Pack

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270-324 uF/MFD 110-125 VAC Round Motor Start Capacitor - Pack of 2

Key Features

  • Capacitance: 270-324 Microfarad (uF/MFD)
  • Voltage Rating: 110-125 Volts AC
  • Frequency: 50/60 Hz
  • Shape: Round
  • Case Material: Moisture and oil-resistant plastic
  • Terminals: 1/4 inch male quick-connect
  • Dimensions: 1-7/16 in. Diameter x 2-3/4 in. Height
  • Quantity: Two (2) capacitors included

Replaces / Cross-Reference Part Numbers

  • Packard TMJ270
  • Replaces any start capacitor with the same capacitance and voltage ratings.

Compatibility & Fitment

  • Designed for single-phase AC electric motors.
  • Common applications include HVAC units, air compressors, well pumps, refrigeration systems, and other motor-driven equipment.
  • Fits any application requiring a motor start capacitor with matching electrical specifications and physical dimensions.

When to Replace

  • Motor hums but fails to start or struggles to turn over.
  • Start-up is slow or hesitant.
  • Circuit breaker trips repeatedly when the motor attempts to start.
  • Capacitor case is physically swollen, cracked, or leaking fluid.
  • Capacitance measures outside the specified 270-324 uF range when tested.

Installation Tips

  • Disconnect all electrical power to the equipment before beginning work.
  • Carefully discharge the existing capacitor by shorting the two terminals with an insulated tool.
  • Confirm the uF/MFD and VAC ratings of the new capacitor match the original part's specifications.
  • Secure the capacitor in the mounting bracket to prevent vibration.
  • Connect the wires to the terminals. Polarity does not matter for AC start capacitors.

FAQ

Common signs of a failing start capacitor include the motor humming or buzzing without turning, the motor struggling to reach full speed, or the motor tripping the circuit breaker upon startup. If the capacitor casing is bulging, leaking, or shows signs of burn marks, it must be replaced immediately.
This is a universal dry, electrolytic, non-polarized motor start capacitor designed for intermittent duty in AC motor starting circuits. It is compatible with a wide range of pool pumps, well pumps, HVAC systems, and air compressors that require a 270-324 MFD rating at 110-125 VAC.
Installation typically requires a screwdriver to access the motor housing and a pair of needle-nose pliers to disconnect and reconnect the 1/4" male terminals. Ensure you have a pair of insulated pliers to safely discharge the old capacitor before handling it.
Always disconnect the power supply to the motor before beginning work. Because capacitors store an electrical charge even when the power is off, you must safely discharge the old capacitor by touching the terminals with an insulated screwdriver or a resistor before attempting to remove the wires.
Yes. As long as the MFD (microfarad) range—in this case, 270-324—and the voltage rating (110-125 VAC) match your original part, this capacitor will function correctly regardless of the brand name printed on the old unit. Always ensure the physical dimensions fit within your motor's capacitor housing.