The WG 21 provides protective separation and high isolation between the input, output, and power supply.

The high supply voltage, the good hazardous-area ratings, and the broad-range power supply allow for universal use. Cables up to 1400 m in length can be used without any problems. Thanks to a new transformer-based transmission technique, the WG 21 achieves an extraordinarily high transmission accuracy for hazardous-area applications. The encapsulation provides maximum operating safety, long-term stability, and disruptive strength even under extreme ambient conditions.


  • SMART transmission
  • High supply voltage and good hazardous area ratings
  • Broad-range power supply
  • Protective separation according to EN 61140
  • 3-port isolation
  • High transmission accuracy
  • Explosion protection according to ATEX
  • 5-year warranty
Ambient temperature : +10 to +60 °C
Design : 22.5 Modular housing
Mounting : For 35-mm DIN rail acc. to EN 60715
Weight : Approx. 250g


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