Surge protection for binary signals and EX ia signals

Binary signal (SL – Symmetrical Load) protection includes the following signals:
  • Switching signals with and without a common reference potential e.g. 5 V – 24V – 60 V
  • Two-conductor systems usually involve a common reference potential of binary sensors, actuators and indicators such as limit switches, buttons, position sensors, photoelectric barriers, contactors, solenoid valves, indicator lamps, etc.
  • Pluggable arrester, for 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 interference currents  resulting from differences in potential
  • For use in compliance with the IEC 62305 and IEC 61643-22 installation standards (D1, C1, C2 and C3)
  • 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
Surge protection for binary signals and EX ia signals
Binary signals with signal contact
Binary signals with signal contact
Binary signals without alert contact, also for EX ia applications
Binary signals without alert contact, also for EX ia applications
  1. 2-level protection for analogue and binary signals

  2. Surge protection for binary signals and EX ia signals

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