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  • NT 43-F
  • NT 43-F
  • NT 43-F
  • NT 43-F

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Modelo del Producto：

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  • Parámetros

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Technical Data

NT 43-F, NT 43-M / NT 44-F, NT 44-M
Operating VoltageAll AC/DC Voltage
Switch temperature difference+/-5°C
Sensor elementthermostatic bimeta
Contact typesnap-action contact
Service life>100,000 cycles
Max. switching capacity250VAC, 10 (2) A / 120VAC, 15 (2) A
DC 30W at 24VDC to 72VDC
Max. inrush currentAC 16A for 10 sec.
Connection2-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
Dimensions60×33×43mm
Weightapprox. 40g
Fitting positionvariable
Operating/Storage temperature-45 to +80°C (-49 to +176°F)
Operating/Storage humiditymax. 90% RH (non-condensing)
Protection typeIP20

¹ 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.


Fast Fixing Type (F Type)
Manual Up down Type (M Type)
Setting range
NT 43-F (NC Type)NT 44-F (NO Type)NT 43-M (NC Type)NT 44-M (NO Type)
Gray ColorBlack ColorGray ColorBlack ColorGray ColorBlack ColorGray ColorBlack Color
43NCF0143NCF01-B44NOF0144NOF01-B43NCM0143NCM01-B44NOM0144NOM01-B0 to +60℃
43NCF0243NCF02-B44NOF0244NOF02-B43NCM0243NCM02-B44NOM0244NOM02-B-10 to +50℃
43NCF0343NCF03-B44NOF0344NOF03-B43NCM0343NCM03-B44NOM0344NOM03-B+20 to +80℃
43NCF0443NCF04-B44NOF0444NOF04-B43NCM0443NCM04-B44NOM0444NOM04-B+32 to +140℉
43NCF0543NCF05-B44NOF0544NOF05-B43NCM0543NCM05-B44NOM0544NOM05-B+14 to +122℉


  • Caracteristicas

• Large setting range

• Can offer RAL 7035 Gray color or RAL 9011 Black color.

• Simple to mount with fast fixing part, easy to install and remove from DIN Rail.

• High switching performance

• Can adjust the temperature by hand, big size knob for easy operation

  • Carta de estructura

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  • Solicitud

NT 43-F,NT 43-M: Thermostat (normally closed); contact breaker for regulating heaters. The contact opens when temperature is rising.

NT 43-F, NT 44-M: Thermostat (normally open); contact maker for regulating of filter fans and heat exchangers or for switching signal devises when temperature limit has been exceeded. The contact closes when temperature is rising.

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