Page 11 - Blitzductor_XT
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                5  DEHNrecord condition monitoring system        DIN rail mounted power supply unit
               The DIN rail mounted DEHNrecord device with integrated   High-performance power supply unit in a DIN rail mounted
               LifeCheck sensor is used for condition monitoring of up to   enclosure with single-phase wide-range input for different
               ten BLITZDUCTOR XT arresters. A three-coloured LED and   supply systems. The operating state indication on the front
               a remote signalling contact indicate the condition of the   panel indicates that the output voltage (24 V DC) is present.
               arrester. Use of the free “Status Display and Service Console”
               software via an RS485 interface converter is optional.
                                                               Accessories for use in hazardous areas
               DRC SCM XT:
               •  Up to 10 BXT arresters can be monitored in small-scale    8  Partition for BLITZDUCTOR XT Ex (i) base parts:
                 systems                                       TW DRC MCM EX
               •  Remote signalling contact (break contact)    Certain conditions must be fulfilled when installing
                                                               BLITZDUCTOR XT Ex (i) modules in intrinsically safe cir-
               DRC MCM XT:                                     cuits. In accordance with EN 60079-11;2007 a minimum
               •  Up to 150 BXT arresters can be monitored in large-scale  distance of 50 mm must be maintained between bare
                 systems; with bus wiring of max. 15 MCM XT modules  conductive parts of terminals in intrinsically and non-intrin-
               •  Integrated RS485 interface for superordinate status      sically safe circuits. When using the Ex (i) partition of type
                 indicator                                     TW DRC MCM EX, this minimum distance between the
               •  Remote signalling contact (break / make contact)  terminals is also maintained if the surge protective devices
                                                               are arranged directly next to one other.
                6  USB-NANO-485 USB interface converter
               USB-NANO-485 converts between USB and RS-485 signals   •  Allows devices for non-intrinsically circuits to be placed
               and is specifically designed for two-wire RS-485 buses.     directly next to Ex i circuits
               LEDs integrated in the converter indicate operation (yellow),   •  Suitable for mounting rails with a height of 7.5 mm
               receiver (green) and transmitter (red). USB-NANO-485 is ide-    and 15 mm
               ally suited for use with notebooks, however, stationary use   •  Easy installation by simply snapping the partition
               is also possible.                                 onto a mounting rail

               •  Compact dimensions                            9  Terminal box for information technology systems
               •  LED indication                               (ITAK)
               •  Terminating resistors adjustable via switch  Typically, ITAKs are a combination of enclosure, arresters
                                                               and terminals or shield terminals. The built-in arresters
               .                                               are tested to ATEX and FISCO requirements. The terminal
                                                               boxes can be tailored to customer needs.


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