The CTUB100 series measuring current transformers are combinations of CTBC… measuring current transformer cores and CTUB10… electronic modules, which convert AC and DC currents into an evaluable measurement signal. The measurement signals can be evaluated using devices of the RCMA420/423 or RCMS460/490 series. The measuring current transformers are connected to the respective devices via a 2- or 6-core cable. They can be used in DC, AC, and 3(N)AC systems.

    The CTUB101-CTBCxx measuring current transformers are intended for connection to devices of the RCMA420/423 series and are supplied directly from the evaluator with the supply voltage DC ±12 V via the 6-core cable.

    The CTUB102-CTBCxx measuring current transformers are intended for connection to RCMS460/490. If the CTUB102-CTBCxx measuring current transformers are connected to an RCMS460/490 system, a DC 24 V power supply unit is required for the measuring current transformers, which is available as an accessory.

    The measuring current transformer cores of the CTBC20P…210P series feature an integrated magnetic shield and are suitable for applications with high load currents or inrush currents.

    • Функции
    • Применения
    • Комплектующие
    • Спецификация для заказа
    • Загрузки
    • Combined test and reset button
    • Multicolour LED for operation, fault and status messages
    • Exchangeable electronic module without mechanical separation of the primary conductors
    • Extension/retrofitting or modification of functionalities in case of changed monitoring requirements
    • Insensitive to load currents due to full magnetic shield (CTUB10x-CTBC20P…210P only)
    • Monitoring of the connection to the measuring current transformer
    • Supply voltage DC ±12 V/DC 24 V
    • CTUB101-CTBC20…60 for AC/DC sensitive residual current monitors of the RCMA420 series
    • CTUB10x-CTBC20…210 for residual current monitoring systems of the RCMS460/490 series as well as for RCMA423 residual current monitor
    • CTUB10x-CTBC20P…210P for residual current monitoring systems of the RCMS460/490 series as well as for RCMA420/423 residual current monitors. Can be used for short-term system-related load currents.


      Дополнительные комплектующие для LINETRAXX® CTUB100 series

      Spare parts electronic modulesTypeSupply voltage UsArt. No.
      CTUB101 DC ±12 V B78120050
      CTUB102 DC 24 V B78120051
      Required terminals or connecting cables are optionally available.

      Spare parts measuring current transformer coresTypeInternal diameterArt. No.
      CTBC20 20 mm B98120001
      CTBC20P 20 mm B98120002
      CTBC35 35 mm B98120003
      CTBC35P 35 mm B98120004
      CTBC60 60 mm B98120005
      CTBC60P 60 mm B98120006
      CTBC120 120 mm B98120007
      CTBC120P 120 mm B98120020
      CTBC210 210 mm B98120008
      CTBC210P 210 mm B98120021
      P = full magnetic shield

      Voltage supplyTypemax. connected current transformersArt. No.
      STEP-PS/1 AC/24 DC/0.5 4 B94053110
      STEP-PS/1 AC/24 DC/1.75 14 B94053111
      STEP-PS/1 AC/24 DC/4.2 34 B94053112

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