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  1. #1
    Join Date
    Oct 2015
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    3mf 250v capacitor

    Do anyone know where I can get a 3mf 250v capacitor? It came off a motor on wellsprings yogurt machine made in Korea. It a round one, similar size to the blower capacitor. Supply house only carried 370/440V. Can I use 370/440V or I must stick with 250V? Thanks



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  2. #2
    Join Date
    Jul 2019
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    You can always go up in voltage rating. Are you sure that is 3 mfd.

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  3. #3
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    Oct 2015
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    Thread Starter
    Thanks for pointing it out. I couldn’t see clearly with the picture. It could be a 30mf, I will double check it tomorrow


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  4. #4
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    Research capacitors on hvacrschool.com and you won't have to ask next time.

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  5. Likes CEAS-AC-TECH liked this post.
  6. #5
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    They have a ton of good info

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  8. #6
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    Mar 2018
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    Chico, Ca #StateofJefferson
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    Looks like a 30 to me, I only carry 440v caps. The voltage is just what the cap is capable of handling

  9. #7
    Join Date
    May 2000
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    Indianapolis, IN, USA
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    Yea, datsa 30!

  10. #8
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    Oct 2015
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    Thread Starter
    Yes it’s a thirty the percent sign% the small zero is place between the 3 and 0 which trick my eyes. Anyway I still couldn’t fine a 30uf that the same dimension as the one I pulled. The 30uf from the supply house is almost twice as big as the one I pulled. I need the exact size because it mount inside the motor. The new one I wouldn’t be able to closed the cover. Thanks


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  11. #9
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    Mar 2018
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    Doubt you'll find that, can you mount it outside the motor securely and make some wire extensions?

  12. #10
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    Where size is the issue, you may have to go with OEM.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist
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  13. #11
    Join Date
    Jun 2006
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    Voltage rating can always go higher on a capacitor, with no limit.

  14. #12
    Join Date
    Nov 2019
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    Quote Originally Posted by stat View Post
    Voltage rating can always go higher on a capacitor, with no limit.
    there is probably a limit for his application. Size seems to be one of them. I doubt you'll find a 5kv 30uf cap that will fit in his machine

  15. #13
    Join Date
    May 2018
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    Elizabethtown, PA
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    Try a motor repair shop. They tend to stock a much wider range of sizes ( dimensionally) than supply houses.

  16. Likes YingGiang liked this post.
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