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Description
540-648 uF MFD 110-125 VAC Round Start Capacitor ±20% - Fits OEM Single Phase Motor, Heat Pump - 2 Pack540 648 uF MFD 110 125 VAC Run Round Start Capacitor Key Features Capacitance: 540 648 Microfarad Voltage Rating: 110 125 VAC Frequency: 50 60 Hz Operating Temperature: 40C to +65C ( 40F to +149F) Shape: Round Case Material: Moisture resistant plastic Terminals: 1 4 inch male quick connect Dimensions (Typical): 1. 75 in Diameter x 3. 38 in Height Dielectric: Non polarized aluminum electrolytic Replaces Cross Reference Part Numbers Serves as a
540-648 uF/MFD 110-125 VAC Run Round Start Capacitor
Key Features
- Capacitance: 540-648 Microfarad
- Voltage Rating: 110-125 VAC
- Frequency: 50/60 Hz
- Operating Temperature: -40°C to +65°C (-40°F to +149°F)
- Shape: Round
- Case Material: Moisture-resistant plastic
- Terminals: 1/4 inch male quick-connect
- Dimensions (Typical): 1.75 in Diameter x 3.38 in Height
- Dielectric: Non-polarized aluminum electrolytic
Replaces / Cross-Reference Part Numbers
- Serves as a universal replacement for any start capacitor with matching capacitance and voltage ratings.
- Common type designation: CD60
- Example Part Number: 091A540B125CE7A
Compatibility & Fitment
- Designed for intermittent duty in AC single-phase motor starting circuits.
- Used in appliances, HVAC systems, well pumps, air compressors, and other electric motor applications requiring a starting torque boost.
- Fit is determined by matching electrical specifications and physical dimensions.
When to Replace
- Motor hums but fails to start or struggles to start.
- Start-up is slow or delayed.
- Circuit breaker trips when the motor attempts to start.
- Capacitor case is visibly swollen, bulging, or leaking.
Installation Tips
- Disconnect all electrical power to the unit before servicing.
- Safely discharge the existing capacitor by shorting the terminals with an insulated-handle screwdriver or appropriate discharge tool.
- Verify that the MFD/uF and VAC ratings of the new capacitor match the specifications of the original part.
- Note the wire connections before disconnecting the old capacitor to ensure correct polarity-free reattachment.
- Secure the new capacitor in the 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
4.0 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Great privacy option for townhome deck!
Color: White, Size: 6 Panel, Color: White, Size: 6 Panel
Deck privacy! I wanted a way to add some privacy to my second floor townhome deck. It’s been holding up well and doesn’t look junky! I used zip ties on one end so I can open and close it as I wish. Great solution to living in close quarters to your neighbors! I purchased the six panel and it’s a perfect size
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Reviewed in the United States on May 3, 2026
★★★★★ 4
Flimsy
Color: Beige, Size: 8 Panel
It’s thinner than what I thought and flimsy.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Good Product
Size: 3 Panel-102'', Color: Beige
I got these dividers for outdoor use for some privacy from neighbors. They arrived quickly and were easy to set up. They look good, and though the legs don’t offer stability against any amount of wind—which I expected as it wasn’t advertised for outdoor use—all it took was placing a cinder block on the feet to hold it up right. Coverage is good, it’s easy to fold and move as needed, and it’s light weight. All in all a decent product. I will caution the purchase of “used like-new,” as both of the dividers I ordered were previously returned items, and one came missing a cap, instructions were not included, and the poles were all mixed up and not properly labeled. If I had not ordered a second divider (which did include the instructions) I would have had a much harder time figuring out which pieces were which and how to put them together.
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Reviewed in the United States on May 30, 2025
★★★★★ 5
So versatile! Perfect solution for dividing a room.
Size: 4 Panel-88'', Color: Grey, Size: 4 Panel-88'', Color: Grey
Perfect solution for my space. My office has to double as the hangout room for the kids and I wanted something that would block off my computer so it is left alone. This space allows me to close off my computer as much or as little as I want. It is lightweight yet has sturdy feet. This is important so that if it gets bumped it won’t topple over. The price was great and the build time wasn’t too bad! I would recommend two people for set up. I went with the grey panels and I think I’ll end up hanging some twinkle lights at some point. Great purchase!
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Reviewed in the United States on October 9, 2025
★★★★★ 4
4/5 Stars
Size: 4 Panel-88'', Color: Black
Very tall and easy to set up, the only thing I will say is that they do have large gaps in between, so you won't have 100% privacy unless you add a curtain in the back. Other than that, they are easy to fold, sturdy, and esy to assemble. The gaps are an easy fix so I would say they are worth it.
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Reviewed in the United States on April 16, 2026