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Item #:
89344742
2 Pack 355 MFD 355 uF 370 or 440 Volt CBB65B Dual Run Circular Start Capacitor for AC Motor Run, Condenser Straight Cool, Heat Pump, Air Conditioner,
Item #:
89344742
USD 29
Price Details
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*All items will import from US
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QTY:
Order now and get it around Thursday, August 13
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Easy to Replace: AC Capacitor has three terminals on the top, labeled for easy installation.
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What Stands Out
High Voltage Rating
Rated for 370 or 440 volts, these capacitors are ideal for a variety of HVAC applications, ensuring reliable performance in both residential and commercial systems.
Dual Run Capability
Designed for dual run applications, this capacitor efficiently supports both the start and run functions of air conditioning units, optimizing energy use and extending the motor's lifespan.
Convenient Pack Size
Available in a 2-pack, customers benefit from having a backup on hand, providing a cost-effective solution for repairs and reducing downtime during maintenance of cooling systems.
Product Details
| Country of Origin | This item will be imported from US |
| Item Weight | 1 lbs (450 grams) |
| What is in the box | 2 Pack 355 MFD... For more details, please check description/product details |
Who Should Buy?
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HVAC Technicians
Ideal for professionals needing reliable capacitors for servicing various air conditioning and HVAC systems effectively.
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DIY Homeowners
Perfect for homeowners looking to perform their own repairs and replacements on HVAC systems, saving on service costs.
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Heat Pump Users
Beneficial for users of heat pump systems requiring consistent capacitor performance for optimal heating and cooling efficiency.
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Non-Tech Savvy Users
Not suitable for individuals unfamiliar with electrical systems who may struggle with the installation process.
Product Description
2 Pack 355 MFD 355 uF 370 or 440 Volt CBB65B Dual Run Circular Start Capacitor for AC Motor Run, Condenser Straight Cool, Heat Pump, Air Conditioner, HVAC Capacitor
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is a CBB65B dual run capacitor used for?
Answer: A CBB65B dual run capacitor is designed for use in air conditioning systems, heat pumps, and condenser units. It facilitates the efficient operation of both the compressor and the fan motor by improving the power factor and enhancing energy efficiency. This dual functionality makes it essential for maintaining optimal performance in HVAC systems. -
Question:
What does the MFD rating indicate on a capacitor?
Answer: MFD (microfarads) indicates the capacitance value of a capacitor. In the case of the 2 Pack 355 MFD capacitors, this figure (355uF) indicates their ability to store energy and is crucial for determining the suitable application in various AC units. A proper match ensures your motor runs smoothly and prevents overheating or failure. -
Question:
How do I know if I need to replace my AC capacitor?
Answer: Common signs that indicate a faulty capacitor include unusual noises from the unit, failure of the AC to start, or intermittent cooling. If your air conditioning system struggles to maintain temperature or frequently trips the circuit breaker, it's advisable to check the capacitor as these issues can often stem from a malfunctioning component. -
Question:
Can I use a 370 Volt capacitor for a 440 Volt application?
Answer: Yes, a 370 Volt capacitor can typically be used safely in a 440 Volt application, as long as the voltage does not exceed the capacitor's rating. However, running it at high voltages might shorten the lifespan of the capacitor. It's crucial to choose the appropriate size to ensure reliability and optimal performance of the HVAC system. -
Question:
Is it necessary to install a start capacitor with a run capacitor?
Answer: Yes, in many HVAC systems, a start capacitor works in conjunction with a run capacitor, delivering an initial surge of energy to the motor before switching to the run capacitor for sustained operation. Having both ensures efficient and reliable performance, improving the overall lifespan of your air conditioning unit. -
Question:
What are the benefits of purchasing a dual run capacitor?
Answer: Purchasing a dual run capacitor consolidates the functionality of two capacitors into one unit, simplifying installation and reducing space requirements. Additionally, it enhances operational efficiency by ensuring that both the compressor and fan motor receive the necessary electrical charge for optimal performance, leading to a more energy-efficient HVAC system. -
Question:
What should I look for when selecting a capacitor for my AC system?
Answer: When selecting a capacitor for your AC system, consider the microfarad rating, voltage rating, and physical size. Ensure compatibility with your unit’s specifications. A capacitor that matches these criteria will ensure efficient operation, prevent operational issues, and contribute to the longevity of your air conditioning system. -
Question:
Can a bad capacitor cause my air conditioner to not cool properly?
Answer: Absolutely. A defective capacitor can prevent the compressor and fan from functioning properly, resulting in inadequate cooling. If you notice your air conditioning unit is not cooling as it should, checking the capacitor is a wise first step, as replacing a faulty capacitor can restore the cooling functionality of your system. -
Question:
How do I install the CBB65B dual run capacitor?
Answer: To install the CBB65B dual run capacitor, first, turn off the power to the HVAC system. Then, locate the existing capacitor, take note of how the wires are connected, and carefully disconnect them. Install the new capacitor by connecting the wires to the corresponding terminals, ensuring a secure fit, and then restore power to test functionality. Refer to the product manual for precise instructions specific to your system. -
Question:
Where can I buy the 2 Pack 355 MFD 355 uF 370 or 440 Volt CBB65B Dual Run Circular Start Capacitor?
Answer: You can purchase the 2 Pack 355 MFD 355 uF 370 or 440 Volt CBB65B Dual Run Circular Start Capacitor from Ubuy in British Virgin Islands. They offer a variety of HVAC components and accessories, ensuring you find high-quality products suitable for your air conditioning needs.
Powswopx Capacitors Editorial Review
**** The 2 Pack 355 MFD 355 uF 370 or 440 Volt CBB65B Dual Run Circular Start Capacitors have garnered a positive reception among customers, primarily for their reliability and affordability. Users praise the product for its straightforward installation process and the peace of mind it offers when keeping spare capacitors on hand. Many customers appreciate the product's specifications, noting that it meets or even exceeds the required ratings for their air conditioning units. While the capacitors have not faced any significant issues since installation, customers often purchase these as backups, indicating a proactive approach to maintenance and repair. Such foresight is appreciated, especially when professional service costs can be inflated for what is often a simple replacement task. The Consensus highlights the capacitors' compatibility with various AC units, although some users mention minor sizing differences that may require adaptation during installation. However, these adjustments are seen as minor inconveniences compared to the value the capacitors provide. Overall, customers have found the CBB65B capacitors to be a cost-effective and reassuring choice for ensuring their air conditioning systems remain operational, particularly during peak usage seasons. **
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Pros
- Reliable performance based on user experience
- Affordable and cost-effective compared to professional service
- Straightforward installation process
- Provides peace of mind with backup units available
- Meets specifications for AC unit requirements
Cons
- Some users noted minor sizing differences requiring adjustments during installation
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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USD 29
Order now and get it around Thursday, August 13
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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Features & Benefits
- Includes 2 capacitors for added value.
- Rated for 370 or 440 volts, ensuring compatibility.
- Capacitance tolerance of ± 6%, reliable performance.
- Operating temperature range from -40℃ to +70℃.
- Direct replacement with no wiring changes needed.
- Perfect for various AC motor applications.
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