Air Conditioner 45+5 uF MFD 370/440 VAC Dual Circular Run Start Capacitor CBB65 50/60 Hz - Fits AC Motor Run, Fan Start - Replaces 97F9895
BlueStars 45+5 uF 370/440 VAC dual circular run capacitor for AC motor and fan applications.
Step-by-step installation guide for 45+5 uF dual run capacitor on an AC unit.
Infographic showing two 45+5 uF dual run capacitors with signs indicating when to replace your AC capacitor.
BlueStars 45+5 uF dual circular run capacitor for AC motor and fan, shown in a lifestyle marketing graphic.
BlueStars 45+5 uF 370/440 VAC dual circular run capacitor with dimensions and certification icons.
Specification chart for 45+5 uF 370/440 VAC dual circular run capacitor with technical details.
Close-up of 45+5 uF dual run capacitor terminals labeled Common, Herm, and Fan for AC motor and compressor wiring.
BlueStars 45+5 uF 370/440 VAC dual circular run capacitor with aluminum case and metalized polypropylene film details.
Infographic showing how to choose a 45+5 uF 370/440 VAC dual circular run capacitor for AC motors.
Technician installing a 45+5 uF 370/440 VAC dual circular run capacitor in an AC condenser unit.
Technician installing a 45+5 uF 370/440 VAC dual circular run capacitor in an AC unit.
Infographic showing 45+5 uF dual run capacitor applications for AC, refrigerator, heat pump, and compressor motors.
BlueStars 45+5 uF 370/440 VAC dual circular run capacitor for AC motor and fan applications.
Step-by-step installation guide for 45+5 uF dual run capacitor on an AC unit.
Infographic showing two 45+5 uF dual run capacitors with signs indicating when to replace your AC capacitor.
BlueStars 45+5 uF dual circular run capacitor for AC motor and fan, shown in a lifestyle marketing graphic.
BlueStars 45+5 uF 370/440 VAC dual circular run capacitor with dimensions and certification icons.
Specification chart for 45+5 uF 370/440 VAC dual circular run capacitor with technical details.
Close-up of 45+5 uF dual run capacitor terminals labeled Common, Herm, and Fan for AC motor and compressor wiring.
BlueStars 45+5 uF 370/440 VAC dual circular run capacitor with aluminum case and metalized polypropylene film details.
Infographic showing how to choose a 45+5 uF 370/440 VAC dual circular run capacitor for AC motors.
Technician installing a 45+5 uF 370/440 VAC dual circular run capacitor in an AC condenser unit.
Technician installing a 45+5 uF 370/440 VAC dual circular run capacitor in an AC unit.
Infographic showing 45+5 uF dual run capacitor applications for AC, refrigerator, heat pump, and compressor motors.

45+5 uF MFD 370/440 VAC Dual Circular Run Start Capacitor CBB65 50/60 Hz - Fits AC Motor Run, Fan Start - Replaces 97F9895

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45+5 uf/MFD 370 or 440 Volt VAC Round Dual Run Capacitor CBB65 50/60 Hz

Key Features

  • Model: CBB65
  • Capacitance: 45 + 5 Microfarad (uF/MFD)
  • Capacitance Tolerance: ±6%
  • Voltage Rating: 370V or 440V AC
  • Frequency: 50/60 Hz
  • Shape: Round
  • Construction: Aluminum Case
  • Operating Temperature: -40 °C to +70 °C (-40 °F to +158 °F)
  • Terminals: 3 (C, HERM, FAN)
  • Safety Standard: EIA-456 Compliant

Replaces / Cross-Reference Part Numbers

This capacitor replaces any round or oval dual run capacitor with matching 45+5 uF capacitance and 370V or 440V specifications. It serves as a universal replacement for a wide range of part numbers from various manufacturers.

Compatibility & Fitment

Designed for heavy-duty, continuous use in HVAC systems such as central air conditioners and heat pumps. This dual run capacitor powers a compressor motor (HERM terminal) and a fan motor (FAN terminal) simultaneously from a single common line (C terminal). It is compatible with units requiring the specified capacitance and voltage.

When to Replace

A failing capacitor can cause damage to motors. Consider replacement if you observe the following symptoms:

  • Compressor or fan motor struggles or fails to start.
  • AC unit hums but does not activate.
  • Fan spins slowly or not at all.
  • Visible signs of damage, such as a bulging or leaking capacitor case.
  • Measured capacitance is outside the rated tolerance (e.g., not within ±6% of 45/5 uF).

Installation Tips

  • Warning: Capacitors can store a lethal electrical charge even when power is off.
  • Disconnect all electrical power to the HVAC unit at the main breaker panel before proceeding.
  • Safely discharge the old capacitor by carefully shorting across the terminals with an insulated-handle screwdriver.
  • Confirm the uF and VAC ratings of the replacement match the original component.
  • Note the wire placement on the C, FAN, and HERM terminals before disconnecting.
  • Ensure all new connections are secure. Professional installation by a qualified technician is recommended.
45+5 uF MFD 370/440 VAC Dual Circular Run Start Capacitor CBB65 50/60 Hz - Fits AC Motor Run, Fan Start - Replaces 97F9895 1
45+5 uF MFD 370/440 VAC Dual Circular Run Start Capacitor CBB65 50/60 Hz - Fits AC Motor Run, Fan Start - Replaces 97F9895 2
45+5 uF MFD 370/440 VAC Dual Circular Run Start Capacitor CBB65 50/60 Hz - Fits AC Motor Run, Fan Start - Replaces 97F9895 3
45+5 uF MFD 370/440 VAC Dual Circular Run Start Capacitor CBB65 50/60 Hz - Fits AC Motor Run, Fan Start - Replaces 97F9895 4
  • 45+5 uF MFD 370/440 VAC Dual Circular Run Start Capacitor CBB65 50/60 Hz - Fits AC Motor Run, Fan Start - Replaces 97F9895 1

    Step 1

    Turn off the power and locate the capacitor
  • 45+5 uF MFD 370/440 VAC Dual Circular Run Start Capacitor CBB65 50/60 Hz - Fits AC Motor Run, Fan Start - Replaces 97F9895 2

    Step 2

    Discharge any stored electricity by shorting the terminals
  • 45+5 uF MFD 370/440 VAC Dual Circular Run Start Capacitor CBB65 50/60 Hz - Fits AC Motor Run, Fan Start - Replaces 97F9895 3

    Step 3

    Take a photo or note how the wires connect. Disconnect wires & install the new capacitor.
  • 45+5 uF MFD 370/440 VAC Dual Circular Run Start Capacitor CBB65 50/60 Hz - Fits AC Motor Run, Fan Start - Replaces 97F9895 4

    Step 4

    Reassemble and test

Compatible Models

Locate the model number of your appliance or equipment on the manufacturer's label and use it to check compatibility before ordering

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FAQs

This is a dual-run capacitor, meaning it contains two capacitors in one housing. The 45 uF section is designed to power the main compressor motor, while the 5 uF section is for the condenser fan motor. Both must match the microfarad (uF) ratings specified on your original unit to ensure your HVAC system operates correctly.
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, so a higher rating is safe and often provides better durability against power surges.
This unit is a direct replacement for the GE/Genteq 97F9895. It is compatible with any system requiring a 45/5 uF MFD dual-run capacitor rated for 370V or 440V.
If your AC unit is struggling to start, making a humming sound but not engaging the compressor or fan, or if the fan is spinning slowly, the capacitor is likely failing. In many cases, you may also notice the top of the capacitor is domed or bulging, which is a clear sign it needs to be replaced.
The installation is straightforward for those comfortable working with electrical components. It typically involves turning off the power at the breaker, discharging the old capacitor with an insulated screwdriver, and moving the wires to the corresponding terminals (Herm, Fan, and Common) on the new unit. Always ensure the power is completely disconnected before beginning.
Capacitors are sensitive to heat and voltage fluctuations. Over time, the internal dielectric material degrades, especially in hot climates or if the outdoor unit is exposed to direct sunlight and poor airflow. Keeping your condenser coils clean and free of debris helps the system run cooler, which can extend the lifespan of your capacitor.