Page 7 - Blitzductor_XT
P. 7

BLITZDUCTOR  XT modules
                                       ®
               with LifeCheck           ®




               Data networks and measuring and control systems include   The BLITZDUCTOR XT series easily masters this task: The
               numerous interfaces that place different requirements on the   modules, which can be plugged into the base part, are
               performance of the protection components. The function of   adapted to the different interfaces, thus providing protection
               arresters is not only to protect the interface against lightning   and availability for the signal circuits and system components.
               strikes and surges, but also to transmit system-relevant signal
               parameters.


                           ®
               BLITZDUCTOR  XT modules:
                                                                1                  1´   1                  1´
                Type             Features
                                                                2                  2´   2                  2´
                BXT ML2          Protection of two single cores or one
                                 pair                                                                      protected
                                                                                   protected
                BXT ML4          Protection of four single cores or two  3         3´
                                 pairs                                                  3                  3´
                BXT ML.B         Lightning current arrester     4                  4´   4                  4´
                BXT ML.BE        Combined arrester for unbalanced
                                 interfaces; with common reference
                                 potential (earth)             Fine limitation of surges (core-  Fine limitation of surges (core-
                                                               to-core) for protection against   to-earth) for protection against
                BXT ML.BD        Combined arrester for balanced inter-  balanced interference  unbalanced interference
                                 faces; electrically isolated, unearthed
                BXT ML...HF      Combined arrester for high-frequency
                                 signal circuits
                                                                1                 1´    1                 1‘
                BXT ML2...S      Protection of two single cores or one   ϑ
                                 pair; additional contacts for direct /  2  ϑ     2´    2                 2‘
                                 indirect shield earthing
                                                                                  protected               protected
                BXT ML.BD EX     Protection of intrinsically safe measu-
                                 ring circuits in potentially explosive  3  ϑ     3´
                                 atmospheres                                            3                 3‘
                                                                4                 4´
                BXT BPD 24 ML4   Protection of 24 V DC systems with      ϑ              4                 4‘
                                 earthed negative poles
                BXT M2 BD HC5A 24  Protection of system circuits with
                                 currents up to 5 A            Circuit diagram         Circuit diagram
                                                               BXT ML4 BPD 24          BXT M2 BD HC5A 24


                                                                                                                    7
   2   3   4   5   6   7   8   9   10   11   12