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    dabbagui's Avatar
    dabbagui Posts: 3, Reputation: 1
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    #1

    Oct 20, 2010, 03:19 PM
    Breaker sizing
    I have a 66 unit panel, each need 114KVA. My question is, can I use a same breaker for all unit, or I should use a separate breakers for each unit or for for some of them?
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Oct 21, 2010, 04:42 AM
    Need to know more detail about what you have and what your trying to accomplish.

    Unit = ?
    dabbagui's Avatar
    dabbagui Posts: 3, Reputation: 1
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    #3

    Oct 21, 2010, 08:12 AM

    I have actually 66 units panel. Each panel should used for 4 segments and each segment have 30 motors.
    So, each unit panel should have enough power for 120 motors.
    The load for each motors is (0.5 hp, 480v).
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #4

    Oct 21, 2010, 12:36 PM
    I have no idea what your talking about.

    Units? I asked you don't explain.

    "Each unit panel... power for 120 volt motors"

    Then, "load for each motors is (0.5 hp, 480v)"

    ??
    dabbagui's Avatar
    dabbagui Posts: 3, Reputation: 1
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    #5

    Oct 21, 2010, 02:00 PM

    units = panelboard
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