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NT 31-F/NT 32-F Din Thermostat
Features

Large setting range


Small size


Simple to mount


High switching performance

Product Description

NT 31-F: Thermostat (normally closed); contact breaker for regulating heaters. The contact opens when temperature is rising.

NT 32-F: 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.

Technical Data

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Technical Data

NT 31-F / NT 32-F / NT 31-M / NT 32-M

Switch temperature difference

+/-5℃

sensor element

thermostatic bimetal

Contact type

snap-action contact

service life 

>100,000 cycles

Max.switching caoacity

250VAC, 10 (2) A / 120VAC, 15 (2) A

DC 30W at 24VDC to 72VDC

Max.inrush current

AC 16A for 10 sec.

Connection

2-pole terminal,clamping torque 0.5Nm max.:rigid wire 2.5mm²(AWG 14)

stranded wire1 1.5mm²(AWG 16)

Mounting

clip for 35mm DIN rail,EN 60715

Casing

plastic according to UL94 V-0, light grey

Dimensions

60x33x43mm

Weight

approx.40g

Fitting Position

variable

Operating/Stirage temperature

-45 to +80℃(-49 to +176℉)

Operating/Stirage humidity

max.90% RH (non-condensing)

Protection type

IP20


Mounting options

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)

Signal current 

NT 31-F (NC Type)

NT 32-F (NO Type)

NT 31-M (NC Type) 

NT 32-M (NO Type)

860021

860026

860630

860635

0 to +60°C

860022

860027

860631

860636

-10 to +50°C

860023

860028

860632

860637

+20 to +80℃

860024

860029

860633

860638

+32 to +140℉

860025

860030

860634

860639

+14 to +122℉


Structure Chart

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Certificate
Video


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