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Thread: Contactor rating AC1 & AC3 ?

  1. 12-06-08, 08:39 #1
    manjul
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    ac1 ac3

    what is AC1 & AC3 rating of contactor?

    can anybody explain in detail?
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  2. 12-06-08, 21:20 #2
    stefano.delfiore
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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

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  3. 13-06-08, 05:50 #3
    manjul
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    contactor ac3

    thanks for help.

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

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