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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
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Product Reviews
★★★★★ 5
My Designs? Sublime. The Paper? Sublimation Perfection.
Size: 8.5"X11"
Prints clear, presses clean, and never lets me down—unless I’m the problem (which is often). I keep this stocked like toilet paper. You don’t want to run out mid-project.
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Reviewed in the United States on August 8, 2025
★★★★★ 5
Great Quality
Size: 8.5"X11"
This A-SUB sublimation paper is a great quality. I have been using it for many years and have had absolutely no issues. I use it with an Epson 2780 inkjet printer. I have never had a jamming issue or smudging.
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Reviewed in the United States on April 11, 2026
★★★★★ 5
Happy to find a seller that carries the 120
Size: 8.5"X11"
I’ve been doing sublimation since May 2025. I have tried a variety between 105, 120 and 125. I’m not exactly sure why 120 ASub it is becoming harder to find . I absolutely love it. When I make my stainless steel tumblers, my colors pop more with 120.
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Reviewed in the United States on April 20, 2026
★★★★★ 4
Great Sublimation Paper – Perfect for Mugs
Size: 8.5"X11"
I purchased A-SUB Sublimation Paper 8.5x11 Inch 120GSM and I’m very happy with the results.
The colors transfer beautifully. I used it for sublimation mugs and the print came out vibrant, sharp, and very professional-looking. No fading, no dull colors.
I also tried using it for a cap, but the issue was not the paper — my cap heat press machine didn’t perform well and the transfer failed. For mugs, this paper works perfectly.
Highly recommend for mug sublimation projects.
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Reviewed in the United States on February 24, 2026
★★★★★ 5
Craft paper
Size: 8.5"X11"
Good price!
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Reviewed in the United States on June 13, 2026