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Thread: 40/20A Relays???

  1. 25th July 2012, 11:47 PM #1
    Sprint
    Sprint is offline YarnMaster
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    40/20A Relays???

    Doing some wiring for a thermo fan setup, and I have noticed a couple of changeover relays labelled as 12v 40/20A......

    why the 2 current ratings?
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  2. 26th July 2012, 05:36 AM #2
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    Pedro_The_Swift
    Pedro_The_Swift is offline The MOD Father
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    They will just have external blade fuses,,
    pick your own amp rating
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  3. 26th July 2012, 07:01 AM #3
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    bee utey
    bee utey is offline AT REST
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    40A for the contact on the energised side (N.O.) and 20A on the non-energised side (N.C.)
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