Emerson Brand 7.5 uF MFD ±5% 370/440 VAC Oval Run Capacitor CBB65 50/60 Hz - Fits Condenser Straight Cool, Heat Pump
7.5 uF 370/440 VAC oval run capacitor for HVAC condenser and heat pump units.
Infographic showing 4-step installation guide for 7.5 uF 370/440 VAC oval run capacitor in HVAC condenser units.
Infographic showing two 7.5 uF 370/440 VAC oval run capacitors and signs indicating when to replace an AC capacitor.
7.5 uF 370/440 VAC oval run capacitor for AC condenser and heat pump systems.
BlueStars 7.5 uF 370/440 VAC oval run capacitor with dimensions and certification labels shown.
Specification chart for 7.5 uF 370/440 VAC CBB65 run capacitor with technical details and product image.
Diagram of 7.5 uF oval run capacitor showing 2-terminal layout with Common and Fan/Herm labels for HVAC systems.
BlueStars 7.5 uF oval run capacitor with aluminum case and metalized polypropylene film construction details.
Educational infographic explaining how to choose a 7.5 uF 370/440 VAC oval run capacitor for HVAC systems.
7.5 uF 370/440 VAC oval run capacitor for HVAC condenser and heat pump repair.
Technician repairing an HVAC unit with a 7.5 uF 370/440 VAC oval run capacitor in the foreground.
Infographic showing 7.5 uF run capacitor applications for air conditioners, refrigerators, heat pumps, and compressors.
7.5 uF 370/440 VAC oval run capacitor for HVAC condenser and heat pump units.
Infographic showing 4-step installation guide for 7.5 uF 370/440 VAC oval run capacitor in HVAC condenser units.
Infographic showing two 7.5 uF 370/440 VAC oval run capacitors and signs indicating when to replace an AC capacitor.
7.5 uF 370/440 VAC oval run capacitor for AC condenser and heat pump systems.
BlueStars 7.5 uF 370/440 VAC oval run capacitor with dimensions and certification labels shown.
Specification chart for 7.5 uF 370/440 VAC CBB65 run capacitor with technical details and product image.
Diagram of 7.5 uF oval run capacitor showing 2-terminal layout with Common and Fan/Herm labels for HVAC systems.
BlueStars 7.5 uF oval run capacitor with aluminum case and metalized polypropylene film construction details.
Educational infographic explaining how to choose a 7.5 uF 370/440 VAC oval run capacitor for HVAC systems.
7.5 uF 370/440 VAC oval run capacitor for HVAC condenser and heat pump repair.
Technician repairing an HVAC unit with a 7.5 uF 370/440 VAC oval run capacitor in the foreground.
Infographic showing 7.5 uF run capacitor applications for air conditioners, refrigerators, heat pumps, and compressors.
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7.5 uF MFD ±5% 370/440 VAC Oval Run Capacitor CBB65 50/60 Hz - Fits Condenser Straight Cool, Heat Pump

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CBB65 7.5 uF ±5% MFD 370 or 440 Oval Run Capacitor

Key Features

  • Model: CBB65
  • Capacitance: 7.5 Microfarad (uF/MFD)
  • Tolerance: ±5%
  • Voltage Rating: 370 VAC / 440 VAC
  • Frequency: 50/60 Hz
  • Shape: Oval
  • Construction: Oil-filled aluminum case
  • Safety: Protected to 10,000 AFC
  • Operating Temperature: Meets industry standards from -40°C

Replaces / Cross-Reference Part Numbers

This component replaces any brand of single-value run capacitor with the following specifications:

  • Capacitance: 7.5 uF/MFD
  • Voltage: 370V or 440V
  • Shape: Oval

A 440V rated capacitor can be used as a direct replacement for a 370V rated capacitor. The physical dimensions must also match for proper fitment.

Compatibility & Fitment

Designed for continuous-duty motor run applications, including:

  • Air conditioner condenser units
  • Heat pumps
  • Furnace blower motors
  • Compressor and fan motors
  • Pool pumps
  • Refrigeration systems
  • General purpose single-phase motors

When to Replace

A run capacitor may be failing if you observe the following symptoms:

  • Motor hums but fails to start or starts slowly
  • Fan blades require a manual push to begin spinning
  • AC or heat pump compressor does not engage
  • Visible damage to the capacitor case, such as bulging, swelling, or fluid leakage

Installation Tips

  • WARNING: Disconnect all electrical power to the equipment before servicing.
  • Capacitors store a potentially hazardous electrical charge. Safely discharge the old capacitor by shorting its terminals with an insulated-handle screwdriver.
  • Document the wiring connections before removing the original part.
  • Verify the uF/MFD rating of the new capacitor matches the original exactly.
  • The voltage rating of the replacement capacitor must be equal to or greater than the original.
  • Confirm the physical dimensions will fit securely within the mounting bracket.
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  • Step 1

    Step 1

    Turn off the power and locate the capacitor
  • Step 2

    Step 2

    Discharge any stored electricity by shorting the terminals
  • Step 3

    Step 3

    Take a photo or note how the wires connect. Disconnect wires & install the new capacitor.
  • Step 4

    Step 4

    Reassemble and test
Brand Model Number
COMPATIBLE MODELS 27L566BZ3 , 27L566 , 27L566S , 97F9001 , Z97F9001 ,97F9001BX ,CPT-00120 ,TP-CAP-7.5/440,TOCF7.5

FAQ

Common signs of a failing run capacitor include a fan motor that hums but won't start, a fan that requires a manual push to get spinning, or an air conditioning unit that blows warm air. If the top of the capacitor appears domed or swollen, it has failed and must be replaced immediately.
Yes. A 440 VAC capacitor is fully compatible with systems requiring 370 VAC. The voltage rating on a capacitor indicates the maximum voltage it can handle; using a higher voltage rating is safe and often provides better durability against power surges.
They are the same measurement. MFD stands for microfarad, and uF is the symbol for microfarad. Both denote the capacitance value, which must match your motor's requirements to ensure proper operation.
Installation typically takes 15 to 30 minutes. You will need a screwdriver to access the service panel and an insulated pair of needle-nose pliers to disconnect the spade terminals. Always discharge the old capacitor with a resistor or an insulated screwdriver before touching the terminals to avoid electrical shock.
Before installing, ensure the power to the HVAC unit is completely turned off at the disconnect box. Inspect the wiring for any signs of heat damage or loose connections. If the motor still fails to start after replacing the capacitor, the motor windings themselves may be damaged.
Run capacitors are sensitive to heat and age. Over time, the internal dielectric material degrades. Frequent power surges, extreme outdoor temperatures, and restricted airflow around the condenser unit can accelerate this process, leading to a loss of capacitance.