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⚡ Power your AC like a pro — reliable, robust, ready to run!
This 40μF CBB65 run capacitor delivers versatile dual-voltage support (370V/440V) with a tight ±5% tolerance, ensuring stable AC motor performance. Engineered for durability, it operates across a broad temperature range (-40°C to +85°C) and meets stringent USA electrical standards, making it the go-to choice for HVAC professionals and savvy DIYers alike.









| ASIN | B08YDGFKYS |
| Best Sellers Rank | #3,736 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #21 in Industrial Electrical Capacitors |
| Brand | HVAC YELLOW HAT |
| Brand Name | HVAC YELLOW HAT |
| Capacitance | 40 microfarad |
| Capacitance Tolerance | 5 |
| Customer Reviews | 4.6 out of 5 stars 69 Reviews |
| Item Dimensions W x H | 1.97"W x 3.94"H |
| Item Highlight | Multi-Purpose, Universal, for AC Motor Run or Fan Start or Condenser Straight or Heat Pump |
| Item Shape | Round |
| Manufacturer | HVAC YELLOW HAT |
| Material | Copper |
| Material Type | Copper |
| Maximum Voltage | 440 volts |
| Model | 40MFD |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Operating Voltage | 440 volts |
| Part Number | 40MFD |
| Shape | Round |
| UPC | 750225127739 |
| Upper Temperature Rating | 85 °C |
J**N
Worth checking out
Worked as it should
A**R
This capacitor did its job...
This is one of two capacitors I ordered for my rooftop RV A/C. The A/C is running now, but needs the overload switch replaced and there doesn't seem to be a ready source for an obsolete part. This capacitor worked fine.
D**N
Works??
Unknown the real quality of the capacitor. The motor had another failure. Decided to purchase a new portable air compressor. Maybe need it some day.
M**Y
Exact replacement
It is the exact replacement for my roof AC. Unfortunately the problem was from another source.
M**H
capacitor
product was as expected
A**O
Bueno
Borrando mi comentario y volviendo a escribir, solo me duró 2 meses y dejó de funcionar los volví a comprar para tenerlo guardado porque aunque duró poco me ahorro mucho dinero en cambiarlo yo
K**N
Perfect fit!
It was a perfect fit for my spa pump!
J**5
Just quite good enough.
Abruptly failed about a month short of two years, late on a Friday afternoon when it had been 100' F all afternoon. Did not last anywhere close to 5 years. Tested fine just a couple months ago. Worked fine while it lasted, but spend a bit more for a better brand. When the HVAC compressor starts to vibrate more than usual, it might be time to check the cap again!
Trustpilot
2 months ago
1 month ago