110v transformer need help

Discussion in 'General Electronics Chat' started by gav87, Oct 9, 2009.

  1. gav87

    Thread Starter New Member

    Oct 9, 2009
    1
    0
    hi

    im doing my first private job next weekend for a mate he is going open a shop and is renovating it and he needs two a 110v transformers installed both have four 16a outlets and and two 32a outlets and are all protected by there own mcb i have bought an temp rcd board unit 2way for the job and the main switch is rated at 63a 30ma rcd but does this mean i need to pick up a 63 amp supply from the main board or can i get away by using a spare 50a mcb from the board or even 40a? or even get a lower rated rcd and what size mcb would you recommend for supplying the two transformers?
    any suggestions will be welcome thanks
     
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