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Description
55 uF MFD 370/440 VAC CBB65 Round Run Start Capacitor - Fits AC Motor Run, Fan Start, Heat Pump55 uF MFD 370 440VAC Round Run Start Capacitor Key Features Capacitance: 55 Microfarad (F MFD) Voltage Rating: 370V or 440V AC Tolerance: 6% Frequency: 50 60 Hz Shape: Round Construction: Oil filled metal can Terminals: in. male quick connect Safety: Contains no Polychlorinated Biphenyls (PCBs) Protection: Features an internal pressure sensitive interrupter Operating Temperature: 40C to +70C Replaces Cross Reference Part Numbers C355R C455R 97F9042
55 uF/MFD 370-440VAC Round Run Start Capacitor
Key Features
- Capacitance: 55 Microfarad (µF/MFD)
- Voltage Rating: 370V or 440V AC
- Tolerance: ±6%
- Frequency: 50/60 Hz
- Shape: Round
- Construction: Oil-filled metal can
- Terminals: ¼ in. male quick-connect
- Safety: Contains no Polychlorinated Biphenyls (PCBs)
- Protection: Features an internal pressure-sensitive interrupter
- Operating Temperature: -40°C to +70°C
Replaces / Cross-Reference Part Numbers
- C355R
- C455R
- 97F9042
- 97F9010
- 12752
Compatibility & Fitment
- Designed for continuous duty in motor run applications.
- Used in air conditioner condensers, heat pumps, furnace blowers, and other single-phase AC motors.
- Compatible with systems specifying either a 370VAC or 440VAC capacitor. A 440VAC capacitor can safely replace a 370VAC unit.
When to Replace
- The motor hums but will not start or struggles to start.
- The fan or compressor fails to turn on.
- Visible signs of damage, such as a swollen or bulging top, cracks, or leaking oil.
- Capacitance measures outside the specified tolerance range when tested with a multimeter.
Installation Tips
- Disconnect all electrical power to the equipment before servicing.
- Safely discharge the existing capacitor by shorting the terminals with a properly insulated tool.
- Confirm that the capacitance (MFD/µF) and voltage ratings are appropriate for your application.
- Ensure terminals are connected securely. Polarity is not a factor for this type of AC capacitor.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.8 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Immediate Doggy Happiness!
Flavor Name: Bacon, Size: Medium
Great dog bones! These are a nice size for my 55-pound Aussie, as well as our 96-pound Alaskan Shepherd. They are big enough to last for a while, and big enough to see so that I don't step on them with my bare feet; part of this is that they stick up off the floor a bit, instead of being a flat bone, all in one plane.
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Reviewed in the United States on May 17, 2026
★★★★★ 3
Nice size, the quality is changing. It is softer I believe than it used to be.
Flavor Name: Peanut Butter, Size: Large, Flavor Name: Peanut Butter, Size: Large
Not sure if something has changed in the way this product "Barkbone" is made. I bought this many times before and it lasted. Today, on my dogs first day of use, he had chipped through the material, and already destroying it. he has had it for less than 3 hours.
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Reviewed in the United States on September 29, 2025
★★★★★ 5
Very durable
Flavor Name: Steak, Size: X-Large
This is great for an aggressive chewer lady a long time very durable
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Great long lasting chew
Flavor Name: Peanut Butter, Size: Large, Flavor Name: Peanut Butter, Size: Large
We really like having these bones on hand to keep our power chewing pitties busy. The large sizes are super convenient and long lasting, and our dogs really seem to enjoy them. We have gone through several orders over the last few years, and I anticipate to keep buying this brand.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Durable and loved dog chew toy bone
Flavor Name: Bacon, Size: Medium
The dogs seem to love chewing on it. It has held up pretty well.
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Reviewed in the United States on May 9, 2026