SKU: 73338965233

45+7.5 uF MFD 370/440 VAC Round Dual Run Capacitor CBB65 CBB65A - Fits AC Unit Fan Motor, Heat Pump

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Description

45+7.5 uF MFD 370/440 VAC Round Dual Run Capacitor CBB65 CBB65A - Fits AC Unit Fan Motor, Heat Pump45+7. 5 MFD uf 370 or 440 Volt VAC Round Dual Run Capacitor CBB65A Key Features Capacitance Rating: 45 + 7. 5 Microfarad (MFD uF) Voltage Rating: 370 or 440 Volts AC (VAC) Capacitance Tolerance: 6% Operating Frequency: 50 60 Hz Operating Temperature Range: 40C to +70C ( 104F to +158F) Case Material: Aluminum, round case design Dimensions: 2. 36 in Diameter x 4. 73 in Height (60 mm x 120 mm) Terminals: 3 terminal design for Common (C), Fan (F), and

45+7.5 MFD uf 370 or 440 Volt VAC Round Dual Run Capacitor CBB65A

Key Features

  • Capacitance Rating: 45 + 7.5 Microfarad (MFD/uF)
  • Voltage Rating: 370 or 440 Volts AC (VAC)
  • Capacitance Tolerance: ±6%
  • Operating Frequency: 50/60 Hz
  • Operating Temperature Range: -40°C to +70°C (-104°F to +158°F)
  • Case Material: Aluminum, round case design
  • Dimensions: 2.36 in Diameter x 4.73 in Height (60 mm x 120 mm)
  • Terminals: 3-terminal design for Common (C), Fan (F), and Compressor (HERM)
  • Safety: Internal pressure-sensitive interrupter; Non-PCB dielectric fluid
  • Compliance: Meets EIA-456-A industry standards for 60,000 hours of operational life

Replaces / Cross-Reference Part Numbers

  • This is a universal replacement for round dual run capacitors with matching specifications.
  • Replaces any capacitor with a 45/7.5 MFD rating and a voltage of 370V or 440V.
  • Can be used to replace a 370V rated capacitor, as 440V is a higher voltage rating. Do not use a 370V to replace a 440V capacitor.

Compatibility & Fitment

  • Designed for heavy-duty, continuous use in HVAC systems.
  • Powers both a compressor motor (45 MFD) and a fan motor (7.5 MFD) simultaneously.
  • Commonly used in residential and commercial air conditioner (AC) condensing units and heat pumps.
  • Verify physical dimensions to ensure proper fit within the unit's mounting bracket and available space.

When to Replace

  • Outdoor unit produces a humming sound, but the compressor or fan fails to start.
  • Fan blades do not spin without a manual push-start.
  • AC system blows warm air or fails to cool.
  • Visible signs of failure on the existing capacitor, such as a swollen or bulging top, rust, or fluid leakage.
  • Frequent tripping of the circuit breaker when the AC unit attempts to start.

Installation Tips

  • Disconnect all electrical power to the HVAC unit before servicing.
  • Safely discharge the stored energy from the old capacitor by shorting the terminals with an insulated-handle tool.
  • Note or photograph the wire connections to the C, F, and HERM terminals before removing the old part.
  • Ensure the MFD and voltage ratings of the replacement part match the original specifications.
  • Secure the new capacitor firmly in the mounting strap to prevent damage from vibration.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 73338965233

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★★★★★ 5
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Reviewed in the United States on May 11, 2025
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Dawn
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★★★★★ 5
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smells amazing - great SPF protection - absorbs into skin nicely without feeling greasy
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★★★★★ 5
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The only mineral sunscreen I’ve found that doesn’t leave a white residue. Smells amazing and pregnancy safe!!
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