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Electronic Hygrostat EFR 012

The EFR 012 electronic hygrostat senses the relative humidity in an enclosure and turns on a heater at the set point, helping prevent the formation of condensation in the enclosure. The integrated LED is lit when the connected device is in operation.

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  • Adjustable & pre-set relative humidity setpoints
  • Compact design
  • High switching capacity
  • Optical function display (LED)
  • DIN rail mountable

  • Adjustable & pre-set relative humidity setpoints
  • Compact design
  • High switching capacity
  • Optical function display (LED)
  • DIN rail mountable

  • Switching difference (Temperature) : 5 %RH (± 3 %RH tolerance) at +77 °F (+25 °C) and 50 %RH
  • Max. reaction time : Approx. 5 sec
  • Contact type : SPDT / change-over contact (relay)
  • Dimensions : 2.54 x 1.65 x 1.5" (64.5 x 42 x 38 mm)
  • Connection : 5-pole terminal, clamping torque 0.5 Nm max.: solid/stranded1 wire - AWG 14 max. (2.5 mm2)
  • Housing : Plastic, UL 94V-0, grey (bicolor)
  • Storage temperature : +32 to +140 °F (0 to +60 °C) / -4 to +158 °F (-20 to +70 °C)
  • Protection type/Protection class : IP20

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