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    Clint Carlstran's Avatar
    Clint Carlstran Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 12, 2013, 08:16 AM
    Transformer
    What would the ocpd be on the secondary side of a 3 phase 30 kva 480D to a 120/208W dry type transformer be in a commercial building? Could you give the min to max amp rating if there is one and if it supposed to be rated at more or less than 125%
    donf's Avatar
    donf Posts: 5,679, Reputation: 582
    Printers & Electronics Expert
    		  
    #2

    Jan 12, 2013, 04:41 PM
    Clint,

    Your question has the appearance of a homework assignment. You need to do your work and we will review it for you.

    Also, this primarily a DIY site so commercial work is an exception, not rule.
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