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Electronic Hygrotherm ETF 012

The ETF 012 senses the ambient temperature and relative air humidity in an enclosure. Depending on which contact combination is chosen, it then turns on or off a connected device if either the temperature is below or the humidity is above the set point. The integrated LED in each adjustment knob is lit when indicating the active function.

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  • Efficient temperature & humidity control
  • Wide voltage range
  • Operating temperature down to -40 °C
  • High switching capacity
  • DIN rail mountable

  • Efficient temperature & humidity control
  • Wide voltage range
  • Operating temperature down to -40 °C
  • High switching capacity
  • DIN rail mountable

  • Switching difference (Temperature) : 2K (±1 K tolerance) at +25 °C (+77 °F), 50 %RH
  • Reaction time (humidity) : Approx. 5 sec
  • Contact type : Change-over contact (relay)
  • Dimensions : 3.0 x 2.4 x 1.7" (77 x 60 x 43 mm)
  • Connection : 5-pole terminal, clamping torque 0.5 Nm max.: solid/stranded² wire - AWG 14 max. (2.5 mm²)
  • Housing : Plastic, UL 94V-0, light grey
  • Storage temperature : -40 to +140 °F (-40 to +60 °C)
  • Protection type/Protection class : IP20

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