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  • Mechanical Hygrostat NT 74-F

Product Name：Mechanical Hygrostat NT 74-F

Product Model：NT 74-F

Wechat：15088970667

WhatsApp：008615088970667

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  • Parameters

Mechanical Hygrostat

Technical Data

NT 74-F
Switch temperature difference+/-5% RH
sensor element15m/sec
Contact typechange-over contact
service life >50,000 cycles
Max.switching caoacity20VAC,DC100mA
Max. switching capacity250VAC,5A/DC20W
Connection3-pole terminal for 2.5mm², clamping torque 0.5Nm max.:
rigid wire 2.5mm² (AWG 14);stranded wire² 1.5mm² (AWG 16)
Mountingclip for 35mm DIN rail, EN 60715
Casingplastic according to UL94 V-0, light grey
Dimensions67x50x38mm
Weightapprox.60g
Fitting Positionvariable
Operating/Stirage temperature0 to +60℃(+32 to +140℉)/-40 to +60℃(-40 to +140℉)
Operating/Stirage humiditymax.95% RH (non-condensing)
Protection typeIP20

¹ at 50% RH

² When connecting with stranded wires, wire end ferrules must be used.


Art.No.Setting Range Operating Voltage
86004935 to 95%RH20AC/DC,250VAC


  • Features

• Adjustable relative humidity

• Change-over contact

• High switching capacity

• Easily accessible terminals

• Clip fixing

  • Structure Chart

Mechanical Hygrostat

Mechanical Hygrostat

  • Certification
  • Application

The electromechanical hygrostat is designed to control enclosure heaters so that the dew point is raised when a critical relative humidity of 65% is exceeded. In this way condensation and corrosion in enclosures with electric/electronic components is effectively prevented.

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