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  • Dual Thermostat NT 71-F

Product Name:Dual Thermostat NT 71-F

Product Model:NT 71-F



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  • Parameters

Dual Thermostat

Technical Data

NT 71-F
Switch temperature difference+/-5℃
sensor elementthermostatic bimetal
Contact typesnap-action contact
service life >100,000 cycles
Max.switching caoacity250VAC,10(2)A
Max.inrush currentAC 16A for 10 sec
Connection4-pole terminal,clamping torque 0.5Nm max.:rigid wire 2.5mm2(AWG 14)
stranded wire1 1.5mm2(AWG 16)
Mountingclip for 35mm DIN rail,EN 60715
Casingplastic according to UL94 V-0, light grey
Fitting Positionvariable
Operating/Stirage temperature-45 to +80℃(-49 to +176℉)
Operating/Stirage humiditymax.90% RH (non-condensing)
Protection typeIP20

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

Important note: The contact system of the regulator is subjected to environmental influences, thus the contact

resistance may change. This can lead to a voltage drop and/or self-heating of the contacts.

Art.No.Setting rangeSignal current 
860041Contact breaker(NC)0 to +60℃Contact maker(NC)0 to +60℃
860042Contact breaker(NC)+32 to 140℉Contact maker(NC)+32 to 140℉
860043Contact breaker(NC)-10 to +50℃Contact maker(NC)+20 to +80℃
860044Contact breaker(NC)+14 to +122℉Contact maker(NC)+68 to +176℉
860045Contact maker(NC)0 to +60℃Contact maker(NC)0 to +60℃
860046Contact maker(NC)+32 to 140℉Contact maker(NC)+32 to 140℉

  • Features

• NO and NC in one casing

• Separate adjustable temperatures

• High switching capacity

• Terminals easily accessible

• Clip fixing

  • Structure Chart

Dual Thermostat

  • Certification
  • Application

Two thermostats in one casing:

Thermostat (contact breaker, normally closed) for regulating heaters. The contact opens when temperature is rising.

Thermostat (contact maker, normally open) for regulating filter fans and heat exchangers or switching signal devices when temperature limit has been exceeded. The contact closes when temperature is rising.

Heaters and cooling equipment can be switched independently from each other with a temperature offset as opposed to the usual change-over contacts.

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