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    rajdeeppatil's Avatar
    rajdeeppatil Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Feb 29, 2012, 11:19 PM
    Why solenoid coil Vacuum Contactor, opening time more than closing time ?
    Details =
    Closing time = 98ms,
    Opening time = 245ms
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Mar 3, 2012, 06:07 AM
    That is the characteristic of that contactor you have.

    You may find contactors that having quicker opening and longer closing time.

    Keep in mind that opening is acting against the mechanics that are holding it closed.
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #3

    Mar 3, 2012, 06:13 AM
    To add to above post, It is an instant Strong magnetic field to close it Vs a spring to open it.
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