Current loop with signal contact

Analogue signal/current loop (CL) protection includes the following signals:
  • Signals from current loops (analogue measurements of sensors over long distances) 4 – 20 mA, 0 – 20 mA etc.
  • Two-wire, three-wire and four-wire, without a common reference potential
  • e.g. level indication signals from voltage sensors (analogue measurements of sensors over short distances) 0 – 10 V, PT 100 etc .; e.g. temperature measurement
  • Pluggable arrester, with interruption-free and impedance-neutral plug-in and pull-out
  • Can be tested with the V-TEST testing device
  • Version with floating-earth PE connection used to avoid differences in potential
  • Can be used in compliance with the IEC 62305 (D1, C1, C2 and C3) installation standard
  • Integrated PE foot safely discharges up to 20 kA (8/20 μs) and 2.5 kA (10/350 μs) to the PE
  • Colour coding of the voltage levels for fast identification on the panel
  • Safety function through coding elements for different voltage levels
Current loop with signal contact
  1. Surge protection for current loops and EX ia signals

  2. Current loop with signal contact

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