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Description
40+5 uF MFD 370/440 VAC Round Dual Run Capacitor Dual Run Circular Start Capacitor - For Air Conditioner, Heat Pump40+5 MFD uF 370 or 440 Volt VAC Round Dual Run Capacitor Key Features Capacitance: 40 + 5 Microfarad (MFD) Voltage Rating: 370V or 440V AC Tolerance: + 5% Frequency: 50 60 Hz Operating Temperature: 40C to +70C ( 40F to +158F) Construction: Round aluminum case Terminals: 3 terminal configuration (C, HERM, FAN) Safety Standard: 10,000 AFC fault current protection Replaces Cross Reference Part Numbers USA2235 TRCFD405 P291 4054RS C3405R C4405R 27L880
40+5 MFD uF 370 or 440 Volt VAC Round Dual Run Capacitor
Key Features
- Capacitance: 40 + 5 Microfarad (MFD)
- Voltage Rating: 370V or 440V AC
- Tolerance: +/- 5%
- Frequency: 50 / 60 Hz
- Operating Temperature: -40°C to +70°C (-40°F to +158°F)
- Construction: Round aluminum case
- Terminals: 3-terminal configuration (C, HERM, FAN)
- Safety Standard: 10,000 AFC fault current protection
Replaces / Cross-Reference Part Numbers
- USA2235
- TRCFD405
- P291-4054RS
- C3405R
- C4405R
- 27L880
- PRCFD405
- HC98JA041
Compatibility & Fitment
- Universal replacement for round dual run capacitors with matching 40/5 MFD capacitance and 370V or 440V ratings.
- A 440V capacitor can replace a 370V capacitor; do not replace a 440V capacitor with a 370V unit.
- Used in air conditioner condensers, heat pumps, and other HVAC systems.
- Physical dimensions are approximately 2.0 - 2.4 inches in diameter and 3.7 - 5.25 inches in height. Verify fitment before purchase.
When to Replace
- Outdoor unit fan does not spin.
- Compressor hums but will not start.
- HVAC system is running but not cooling.
- Visible signs of failure, such as a bulging or leaking capacitor case.
- Capacitance measures outside the specified tolerance when tested with a multimeter.
Installation Tips
- Disconnect all electrical power to the HVAC unit before servicing.
- Discharge the existing capacitor by shorting across the terminals with an insulated-handle screwdriver.
- Photograph or note the wire placement on the C, HERM, and FAN terminals before disconnecting.
- Connect the wires to the corresponding terminals on the new capacitor.
- Secure the new capacitor with the original mounting bracket to prevent vibration.
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
4.3 ★★★★★
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Product Reviews
★★★★★ 5
Perfect little set! Get both
Size: Small, Color: Porpoise
Such a soft sweater! You have to get the matching set! The quality is amazing and the material is nice and thick for those chilly days! The set feels like a more expensive brand so you get a good deal! I washed it and it did not shrink and the color did not fade. I hung to dry and the fabric still looks perfect!
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Reviewed in the United States on October 7, 2025
★★★★★ 5
Impressive style and quality!
Size: Large, Color: Chocolate
I was impressed by this ribbed crewneck sweater's quality and style. It's soft, comfortable and flowy without being shapeless. I love the back slit which ads a little chic. I chose the chocolate color which is a rich, dark cocoa. The sweater is true to size. The sleeves are slightly bell shaped which ads elegance. I highly recommend pairing this sweater with the matching cropped pants. Together it creates a lounging set that's casual yet elegant and ideal for travel. Highly recommend both.
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Reviewed in the United States on September 11, 2023
★★★★★ 5
Cute and Cozy
Size: Medium, Color: Chocolate
Normally I am hesitant to buy clothes off Amazon but I kept getting ads for this. I took the chance and bought this + the pants. I live in Michigan where winters get bitter cold. These are actually very cute and cozy. I wear one layer of thermals over it and my puffer coat but even without it, it's still warm. The size is fine I would say you are ok sticking with your regular size or sizing down. It is thick and stretchy too. I got lots of compliments on the outfit.
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Reviewed in the United States on January 7, 2025
★★★★★ 3
Shades of Sweater & Pants are Off
Size: X-Large, Color: Zephyr Pink
The color of the sweater and pants are not the same shade. Also, they are far from “cozy” and not as snuggly as I had hoped for. However the quality of the construction and material appear good.
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Very cute! High quality denim.
I'm just gonna be honest with you ladies. These look and fit best on someone with a flat stomach, or more defined waist. Otherwise it is going to be hard to find a balance of how they slouch on the waist and the right amount of baggy. I'm 5'2, 150lbs, and the 27 fits me perfect and falls about 1 1/2 inch below my belly button. The length was perfect either straight with my Converse, or cuffed with my sandals.
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Reviewed in the United States on January 2, 2025