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Local isolator

MrJack96
Hi guys I’ve come across a local isolator that has been linked out for a motor but still can be isolated upstream. Trying to get my head around emergency switching and if a local isolator is the means of it. I always thought it was just e-stops where used for emergency switching. Guess my question is is it a big no no that’s this has been done? The isolator is getting replaced when the parts are in. 


cheers guys
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    MrJack96:

    So an isolator isn’t for emergency switching as it requires two steps? 


    B.S. 7671 has two different definitions for "Emergency stopping" and "Emergency switching".


    The first is to stop an operation, the second is to to remove a danger as quickly as possible,  which may have occurred unexpectedly.


    Z.


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  • 0
    MrJack96:

    So an isolator isn’t for emergency switching as it requires two steps? 


    B.S. 7671 has two different definitions for "Emergency stopping" and "Emergency switching".


    The first is to stop an operation, the second is to to remove a danger as quickly as possible,  which may have occurred unexpectedly.


    Z.


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