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  1. #1
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    ac1 ac3

    what is AC1 & AC3 rating of contactor?

    can anybody explain in detail?

    •   Alt12th June 2008, 08:39

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  2. #2
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    ac3 contactor

    Quote Originally Posted by manjul
    what is AC1 & AC3 rating of contactor?

    can anybody explain in detail?
    according to IEC Category Description:
    AC1 Non-inductive or slightly inductive rows
    AC3 Starting of squirrel-cage motors and switching off only after the motor is up to speed.
    You can follow this link to have more information:
    http://www.sea.siemens.com/step/pdfs/cc_3.pdf

    stefano



    •   Alt12th June 2008, 21:20

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  3. #3
    Junior Member level 3
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    contactor ac3

    thanks for help.

    i also have downloaded some information on contactor & it's rating.



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