Page 291 - Wieland - revos Industrial multipole connectors
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facts&DATA





        Derating behavior of revos industrial
        multipole connectors




        Like any other connector, the revos industrial multipole   Each contact insert is characterized by its rated current,
        connector also faces a reduction in the values for the   among  other  things.  The  rated  current  is  the  current
        current carrying capability when the ambient tempera-  that a connector can carry in an ambient temperature of
        ture rises.                                           40°C,  simultaneously  continued  (not  intermittent)  over
        This behavior is called derating behavior. Basic informa-  all  contacts  without  exceeding  the  permissible  upper
        tion on the derating behavior of connectors is provided   temperature limit.
        in standard DIN EN 60 512 sec. 3.                     The derating curve shows the maximum current I at the
                                                              given  ambient  temperature  without  the  connector  ex-
                                                              ceeding the upper temperature limit.





               Current
                  I
                                  Basic curve
                                                  Corrected curve
                                                                   In
        Upper
        current limit                                          0.8 In


                                                                           Upper
                                                                           temperature limit


        Operating range




                     Ambient temperature                                     t
                                                                             u
        Curve of current carrying capability derived from the basic
        curve Source DIN EN 60 512-5-2-2003




        Information on how to change over
        from PG to metric threads



          Basic legal conditions                                Basic legal conditions

          The European standard EN 50 262 “Metric Cable Glands   The big difference in the new EN standard is it has the
        for Electrical Installation” was ratified on April 01, 1989   character of a safety standard.
        by CENELEC (European Committee for Electrotechnical   As a building standard it only defines the metric thread
        Standardization) and put into force.                  and its lead.

                                                                                                   PG threads
                                                                                                 are available on
                                                                                                    request!





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