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Contactor rating AC1 & AC3 ?

 
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manjul



Joined: 16 May 2008
Posts: 34
Helped: 2
Post12 Jun 2008 9:39   Contactor rating AC1 & AC3 ?
what is AC1 & AC3 rating of contactor?

can anybody explain in detail?
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stefano.delfiore



Joined: 02 Apr 2006
Posts: 37
Helped: 5
Location: Italy
Post12 Jun 2008 22:20   Re: Contactor rating AC1 & AC3 ?
manjul wrote:
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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manjul



Joined: 16 May 2008
Posts: 34
Helped: 2
Post13 Jun 2008 6:50   Re: Contactor rating AC1 & AC3 ?
thanks for help.

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

Sorry, but you need login in to view this attachment
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