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MCCBs

richard64
Ok, no showers on this one.

Where can I find max zs and time current characteristics for mccbs.

There's nothing in the BBB covering them (as far as I can see).

Thank you.
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  • Former Community Member
    0 Former Community Member

    richard64:


     


    OMS:

    Who owns that main supply - ie is it a DNO fuse ?


    Regards


    OMS




    Aah, sorry. When I said Main Supply, I meant the customer's supply to the Main DB. Not the DNO cut out.

     


     




     

     

    OK - well, if the customer is already operating fuse technology, then be careful about suddenly introducing MCCB's  - however, I'd be reasonably happy to accept a supply protected by BS 88's and then use MCCB's for the next two tier of distribution and MCB's for the final tier


    Regards


    OMS
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  • Former Community Member
    0 Former Community Member

    richard64:


     


    OMS:

    Who owns that main supply - ie is it a DNO fuse ?


    Regards


    OMS




    Aah, sorry. When I said Main Supply, I meant the customer's supply to the Main DB. Not the DNO cut out.

     


     




     

     

    OK - well, if the customer is already operating fuse technology, then be careful about suddenly introducing MCCB's  - however, I'd be reasonably happy to accept a supply protected by BS 88's and then use MCCB's for the next two tier of distribution and MCB's for the final tier


    Regards


    OMS
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