Friday, July 16, 2021

PowerWell 70+7.5 MFD uf 370 or 440 Volt VAC Round Motor Dual Run Capacitor for AC Air Conditioner Condenser - 70/7.5 uf MFD 440V Straight Cool or Heat Pump - Guaranteed to Last 5 Years: Industrial & Scientific

PowerWell 70+7.5 MFD uf 370 or 440 Volt VAC Round Motor Dual Run Capacitor for AC Air Conditioner Condenser - 70/7.5 uf MFD 440V Straight Cool or Heat Pump - Guaranteed to Last 5 Years: Industrial & Scientific


PowerWell 70+7.5 MFD uf 370 or 440 Volt VAC Round Motor Dual Run Capacitor for AC Air Conditioner Condenser - 70/7.5 uf MFD 440V Straight Cool or Heat Pump - Guaranteed to Last 5 Years: Industrial & Scientific

PowerWell 70+7.5 MFD uf 370 or 440 Volt VAC Round Motor Dual Run Capacitor for AC Air Conditioner Condenser - 70/7.5 uf MFD 440V Straight Cool or Heat Pump - Guaranteed to Last 5 Years: Industrial & Scientific

I don't know what it is about A/C units going out on a long hot weekend but that is what happened to use over Memorial Day. Mine was working overtime as we had a large party and by the end of the day, the fan on the condensor unit outside was running but the condensor most definitely was not. Test that the latching relay was working fine so that left the dual run capacitor as the most likely culprit. Having owned a few homes and paid overpriced A/C guys to fix it on a weekend, I know there was a cheaper option. Parts store was closed until Tuesday so I gave Amazon a shot and wouldn't you know they had the right size with next day delivery. Worked like a champ and while I can't give it 5 stars for longevity until I run it for a few months, I will say the $18 price point was great. I bought 2 so I have a spare handy the next time it fails.
After seeing my invoice for the last one that went out of over $300 and the part at over $100 I decided with my limited skills to tackle the repair as my a/c was blowing hot, the outside unit was not on and the breaker was blowing. I figured I would start with the cheapest thing that research said it could be. This part fit perfectly, and the only confusion was that the old one here in FL was so rusted on the top it was hard to figure out the stamped letters for the wiring, but finally got it! Only 3 wires to change, and key is to go one by one from old to new. Works perfect now and best $18 I ever spent!
I had my HVAC serviced recently and they said the run capacitor was low on the fan end, they wanted to charge me $330 to replace it. I found this one online which is an exact match for what's inside my outdoor unit and swapped over the 4 wires myself. For reference i live in AZ and apparently the capacitors go bad here relatively quickly. Swap was quick and easy, then I fired up my AC with no trouble at all, I can't speak to it's longevity yet but hoping it lasts at least 5 years.
Got tired of starting my AC fan with a stick. Looked for a comparable replacement cap and found this inexpensive option. Surprisingly, it is the same cap I had. Works great.
Worked perfectly in my A/C unit


Price: US $24.10
Rating: 4.7 / 5.0 from 135 Reviews

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Specification

70/7.5 uf or 70+7.5 MFD 440 Volt AC Capacitor. Replaces BOTH 370 or 440 VAC capacitors
Can size measures 2-1/2" diameter x 5" tall. Operating temperature range -40 C. to +70 C/ -40F to 158
Built to the toughest USA standards for AC motor run capacitors including EIA-456-A and IEC 60252-1:2001
GUARANTEED TO LAST 5 YEARS. We are extremely passionate about our products and are fanatical about quality control in our workshops. ORDER NOW with peace of mind. No Catches
Replacement for P291-7073RS , P291-7074R , C37075R , 27L556 , 27L556BZ3 , C47075R , 27L1099 , TT-CAP-70/7.5/440 , TP-CAP-70/7.5/440R , 27L556BX , 27L1099BX , 12866


Description

A capacitor is an electric component that temporarily stores an electrical charge. A dual "run capacitor" supports two electric motors, such as a fan motor and a compressor. Round dual run capacitors are used to start and run the unit more efficient. It saves space by combining two physical capacitors into one case. The dual capacitor has three terminals labeled "C", "FAN", and "HERM", which stand for the *C*ommon, Fan, and *HERM*etically sealed compressor.

Dual capacitors come in a variety of sizes, depending on the capacitance (µF = MFD = micro farad), such as 70 plus 5 µF, and also the voltage. A 440 volt capacitor can be used in place of a 370 volt, as it is build better. The same as a cooking pan rated to withstand up to 440 F degrees. Same as an electric wire- 600V rated wire is better than 300V one .The capacitance(µF or MFD or micro farad) must be the same or stay within 10%+ or 5%- of its original value . Example: 70 µF cap can be substituted by 67 - 76 MFD cap with the same or better voltage ratings .

If your fan is working but compressor not, or the capacitor is bulged on top most likely your capacitor is defective. Round capacitor can be used to substitute oval shape one with the same MFD AND Volt specs.

You will ask “Why I need a Cap that is rated 440V in my A/C?”

Answer: You need to realize that a motor is an inductive device. When the supply voltage is applied to the motor run winding, the voltage across the start winding will be increased to a higher voltage value. A motor acts like a transformer with the run winding acting as the primary and the start winding acting as the secondary. This is why the capacitor has a much higher voltage rating than the 230 being the supply voltage.

If a Capacitor is not EIA-456-A approved means it is NOT approved for USA market.

Protected 10,000 AFC.

No-PCB E187356 CBB65B


Failed after about 3 weeks of service. Returning and trying TemCo instead. Wish me luck.
Good price and easy to install
did the job.


  • Package Dimensions‏:‎5.59 x 2.92 x 2.92 inches; 14.07 Ounces
  • Item model number‏:‎PW-70+7.5
  • Date First Available‏:‎November 21, 2019
  • Manufacturer‏:‎PowerWell
  • ASIN‏:‎B081TN9K9T
  • Best Sellers Rank:#4,378 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
    • #44 in Industrial Electrical Capacitors
  • Customer Reviews:4.7 out of 5 stars135 ratings

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