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    ghiggins's Avatar
    ghiggins Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 23, 2010, 12:35 PM
    Ceiling Fan Capacitor (Safe to use different specs?)
    Is it safe to replace a capacitor that is rated at 3.8uF/300V X 5uF/250V X 6uF/250V with another that is 4.8uF/280V X 6uF/250V X 6uf/250V? I ordered a replacement and this is what the company sent to me to use.
    johnmprince's Avatar
    johnmprince Posts: 56, Reputation: 4
    Junior Member
    		  
    #2

    Jan 23, 2010, 04:51 PM

    Yes. As long as the capacitance is as least as large as the original. The fan is 120 volt so no problem there. Tolerances on these devices are routinely +/- 20%, for high quality caps, so go figure.
    ceilingfanrepair's Avatar
    ceilingfanrepair Posts: 5,733, Reputation: 109
    Uber Member
    		  
    #3

    Jan 27, 2010, 01:12 AM

    John, I disagree in part.

    Too large can cause the motor to overheat.

    Too small will cause the fan to run slow.

    However the cap they sent you should be fine. I usually go by +/- 1uf.

    Ceiling Fan Capactors - Troubleshooting and Resources - Ceiling Fans 'N More
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