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  • NT 37-F, NT 37-M Small Compact Thermostat

Product Name:NT 38-F, NT 38-M Small Compact Thermostat

Product Model:NT 38-F, NT 38-M


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  • Parameters

NTL 37-F.jpg

NT 37-F / NT 38-F / NT 37-M / NT 38-M
Switch temperature difference +/-5°C
Sensor element thermostatic bimetal
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 x 33 x 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
NTL 37-F (NC Type) NTL 38-F (NO Type)NTL 37-M (NC Type)NTL 38-M (NO Type)
37NCF0138NOF0137NCM0138NOM010 to +60°C
37NCF0238NOF0237NCM0238NOM02-10 to +50°C
37NCF0338NOF0337NCM0338NOM03+20 to +80°C
37NCF0438NOF0437NCM0438NOM04+32 to +140°F
37NCF0538NOF0537NCM0538NOM05+14 to +122°F


  • Features

• Large setting range

• Small size

• Simple to mount

• High switching performance


  • Structure Chart

1.jpg

  • Certification
  • Application

NT 37-F / NT 37-M: Thermostat (normally closed); contact breaker for regulating heaters. The contact opens when temperature is rising.

NT 38-F / NT 38-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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