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    When can CCA634 replace a CCA630?

    Need a new CCA63x but not sure which one I need.

    Product Line
    SEPAM 20 Series
    SEPAM 40 Series
    SEPAM 50 Series
    SEPAM 80 Series

    Current transformer are connected to SEPAM series 20,40 and 80 through CCA630 or CCA634 connector.
    Both are inclunding interposing CTs.

    includes 3 interposing CTs to connect 2 or 3 phases CTs.  
    If CSH30 is used CCA630 is needed

    includes 4 interposing CTs :
    3 to connect 3 phases CTs
    1 for the residual current acquisition (CSH30 is now integrated in CCA634 for this function) :
    - the sum of the 3 CTs
    - an earth/ground CT

    A new SEPAM base, adding a connection for Io channel on SubD 9 connector, is needed to accept the CCA634.

    series 20 : 1st week of 2003 S/N 0301001
    series 40 : week 23 of 2006 S/N 0623001
    series 80 : week 29 of 2006 S/N 0629001

    As modification is hardware, no firmware update can change the situation for SEPAM made before these dates.


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