STEGO enclosure heaters and filter fans heat and cool your control cabinet. Thermostats, hygrostats and sensors complete temperature and humidity control systems in your technical application. STEGO offers matching lighting and accessories.
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Mechanical hygrostat

MFR 012

The hygrostat is used to prevent condensate and regulates heating and fans. From a critical relative humidity of 65 %, the temperature is increased so that the relative air humidity decreases and condensate is prevented from forming.

  • Adjustable relative air humidity
  • Change-over contact (heating or cooling)
  • High switching performance
  • Clip fixing
CEUKCAEACULCQC

Overview technical data

Device typeHygrostat
Setting range35 % RH - 95 % RH
Contact typeSnap-action contact
Protection typeIP20
CasingPlastic to UL94 V-0, light grey
AC/DCAC;DC
Inrush current16 A
Inrush current duration10 s
Switching capacityAC 5 A;DC 20 W
Switching current ohmic5 A
Reference voltage ohmic250 VAC
Reference voltage 2 ohmic120 VAC
Switching current dc ohmic0,6 A
Reference voltage dc ohmic30 VDC
Reference voltage20 V
Switching current0,1 A
Service life>50000 cycles
Switching differential4 % RH
Switching differential tolerance± 3 % RH
Operating temperature0 °C - 60 °C
Operating humidity≤95 % RH
Storage humidity≤95 % RH
Storage temperature-40 °C - 60 °C
Torque0,5 Nm max.
Connection3-pole clamp: Rigid wire cable 2.5 mm² (AWG 14) Stranded wire² 1.5 mm² (AWG 16)
DesignChange-over contact
MountingClip for 35 mm DIN rail, EN 60715
Height67 mm
Width50 mm
Depth38 mm
Weight60 g
NoteSwitching differential referred to 50 % rH. Wire end ferrules must be used for connections with stranded wires.
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Product variants

Article numberInteractions
01220.0-00

Certificates