[Lifetime Warranty] 60+7.5 uF MFD ±5% 370/440 VAC CBB65B Dual Run Round Capacitor - Fits AC Motor Run, Condenser, Heat Pump
BlueStars 60+7.5 uF MFD 370/440 VAC CBB65B dual run round capacitor for AC motor and condenser units.
BlueStars 60+7.5 uF dual run round capacitor with 4.73-inch height and 2.5-inch diameter dimensions.
Specification chart for 60+7.5 uF 370/440 VAC CBB65B dual run round capacitor with technical details.
Close-up diagram of 60+7.5 uF dual run capacitor terminals labeled for common, compressor, and fan connections.
BlueStars 60+7.5 uF dual run round capacitor with aluminum case and metalized polypropylene film construction.
Educational infographic showing 60+7.5 uF dual run round capacitor specifications and selection guide.
Technician installing a 60+7.5 uF 370/440 VAC CBB65B dual run capacitor in an AC condenser unit.
Technician installing a 60+7.5 MFD 370/440 VAC dual run capacitor into an AC condenser unit.
Infographic showing dual run capacitor applications for air conditioners, refrigerators, heat pumps, and compressors.
Infographic showing step-by-step installation guide for 60+7.5 MFD dual run capacitor in AC condenser units.
BlueStars 60+7.5 uF MFD 370/440 VAC CBB65B dual run round capacitor for AC motor and condenser units.
BlueStars 60+7.5 uF dual run round capacitor with 4.73-inch height and 2.5-inch diameter dimensions.
Specification chart for 60+7.5 uF 370/440 VAC CBB65B dual run round capacitor with technical details.
Close-up diagram of 60+7.5 uF dual run capacitor terminals labeled for common, compressor, and fan connections.
BlueStars 60+7.5 uF dual run round capacitor with aluminum case and metalized polypropylene film construction.
Educational infographic showing 60+7.5 uF dual run round capacitor specifications and selection guide.
Technician installing a 60+7.5 uF 370/440 VAC CBB65B dual run capacitor in an AC condenser unit.
Technician installing a 60+7.5 MFD 370/440 VAC dual run capacitor into an AC condenser unit.
Infographic showing dual run capacitor applications for air conditioners, refrigerators, heat pumps, and compressors.
Infographic showing step-by-step installation guide for 60+7.5 MFD dual run capacitor in AC condenser units.
Lifetime Warranty

[Lifetime Warranty] 60+7.5 uF MFD ±5% 370/440 VAC CBB65B Dual Run Round Capacitor - Fits AC Motor Run, Condenser, Heat Pump

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60+7.5 uf MFD ±5% 370 or 440 Volt AC CBB65B Dual Run Round Capacitor

Key Features

  • Capacitance Rating: 60 + 7.5 Microfarad (MFD)
  • Capacitance Tolerance: ±5%
  • Voltage Rating: 370 or 440 Volts AC
  • Frequency: 50/60 Hz
  • Model: CBB65B
  • Shape: Round
  • Function: Dual run capacitor for compressor and fan motors
  • Terminals: 3 terminals labeled "C" (Common), "HERM" (Compressor), and "FAN"
  • Construction: Aluminum case with oil-filled design for heat dissipation

Replaces / Cross-Reference Part Numbers

  • Universal replacement for round dual run capacitors with matching specifications.
  • Replaces any capacitor with a 60/7.5 MFD rating and a 370V or 440V rating.
  • Compatible with parts from multiple manufacturers provided the capacitance, voltage, and physical dimensions match.

Compatibility & Fitment

  • Designed for starting and running AC motors in a single unit.
  • Commonly used in HVAC systems, heat pump air conditioners, and condenser units.
  • Fits a wide range of residential and commercial air conditioning units requiring a 60/7.5 MFD capacitor.
  • Note: Verify physical dimensions (diameter and height) to ensure a proper fit in the mounting bracket.

When to Replace

  • The fan motor or compressor fails to start or struggles to turn on.
  • A humming noise is audible, but the motor does not engage.
  • The HVAC unit starts but then shuts down intermittently.
  • The existing capacitor case is visibly swollen, bulging, or leaking oil.

Installation Tips

  • Disconnect all electrical power to the HVAC unit before beginning work.
  • Safely discharge the old capacitor by shorting the terminals with an insulated screwdriver.
  • Photograph or note the wire placement on the old capacitor's terminals before disconnecting.
  • Connect the wires to the corresponding "C", "HERM", and "FAN" terminals on the new capacitor.
  • Professional installation by a qualified technician is recommended.
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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

FAQ

A dual run capacitor contains two capacitance values in one can: 60 uF typically supports the compressor, and 7.5 uF typically supports the condenser fan motor. It is used in many air conditioner and heat pump outdoor units to help those motors start properly and run efficiently.
Match all key specifications on your original part: it must be a dual run capacitor with 60/7.5 uF, a tolerance of ±5% if your equipment calls for it, and a voltage rating of 370 or 440 VAC. The replacement's voltage rating can be equal to or higher than the original, but the microfarad values should match the equipment requirement. Also confirm your unit uses a round dual run style and check the terminal markings, usually C, FAN, and HERM.
Yes, if your system requires 60+7.5 uF and the physical style fits, a capacitor marked 370/440 VAC is commonly used in applications where the original was rated 370 VAC or 440 VAC. The important rule is to match the microfarad rating exactly and never replace it with a lower voltage rating than the original.
Common signs include the outdoor unit humming but not starting, a condenser fan that spins slowly or only starts when pushed, intermittent compressor start-up, weak cooling, breaker trips during startup, or visible capacitor swelling or leaking. Because one capacitor supports both the compressor and fan, either side can fail and cause different symptoms.
For an experienced technician, replacement is usually straightforward and often takes about 15 to 30 minutes. Typical tools include a screwdriver, nut driver, needle-nose pliers, and a multimeter with capacitance testing if diagnosis is needed. Before handling the part, power must be shut off at the disconnect and breaker, and the capacitor must be safely discharged because it can store a dangerous electrical charge even when the unit is off.
Verify the old capacitor's microfarad and voltage ratings, inspect the wiring layout, and label wires before removal. Check the contactor, condenser fan motor, compressor wiring, and terminals for heat damage or loose connections. If the old capacitor failed because of overheating, restricted airflow through the condenser coil, a weak fan motor, or voltage issues, correcting the root cause can help prevent repeat failures.
The most common causes are heat, age, voltage fluctuations, heavy compressor load, and prolonged operation in hot outdoor conditions. In HVAC equipment, dirty condenser coils, failing fan motors, or hard-starting compressors can increase electrical stress and shorten capacitor life.