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Capabilities & Solutions – ATEX Optocoupler Series for Intrinsically Safe Circuits

Capabilities & Solutions – ATEX Optocoupler Series for Intrinsically Safe Circuits

Our optocoupler series are tested and certified for extreme/harsh environments such as potentially explosive atmospheres so they will not become an ignition point when subjected to short circuits or adjacent component failures. Markets including but not limited to: Oil & Gas Production, Refinery, Fracking, Bio Energy, Mining, Geothermal, Medical, Test and Measurement, and others. Standex‐Meder specializes in customizing designs to specific customer needs. Contact us to provide the optimal solution for your application(s).


  • Galvanic separation between input and output circuits
  • Analog & digital signal transfer is possible
  • Marginal coupling capacities between input and output
  • Minor output delay times compared to relays
  • Long life due to non abrasive mechanical wear
  • Isolation resistance between input & output up to 10e+13 Ω
  • Magnetic fields do not impact operation
  • A photodiode makes for very short cycle times (nanoseconds) with more than 10MHz possible
  • Input and output differences of up to 20 kV
  • Able to invert the output signal during transfer
  • Lifetime factor increased by a factor of 10, if the LED is used with less than 50% of the nominal current
  • Resistant against voltage drop
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