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Thread: PAT Class III Appliances

   
  1. 6th October 2008, 03:26 PM #1
    Brad Ford
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    Default PAT Class III Appliances

    Can any one help?

    What are class III appliances? I know the text book definition, but does that mean that any appliance supplied by a transformer is catagorized as class III, e.g. laptop computer, low voltage VDUs, plug-in battery charger etc.

    We have a franking machine supplied by an AC Adaptor that bears an identification mark showing it to be BS EN 60742 or 61558-2-6. Does this mean that the franking machine is class III appliance? There is no mark on the machine to indicate this.

    Any help appreciated

    Brad Ford
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  2. 6th October 2008, 09:13 PM #2
    Jimbo
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    Default Re: PAT Class III Appliances

    As I understand it is equipment for which the protection against electric shock relies on the supply from a separated extra low voltage source, as in an isolating transformer to BS 3535. I know this sounds a little text book but separated extra low voltage it is. Regards Jimbo
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  3. 6th October 2008, 10:26 PM #3
    Brad Ford
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    Default Re: PAT Class III Appliances

    Thanks Jimbo
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