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NT 33-F/NT 34-F Mechanical Thermostat
Features

Large setting range


Small size


Simple to mount


High switching performance

Product Description

NT 33-F: Thermostat (normally closed); contact breaker for regulating heaters. The contact opens when temperature is rising.

NT 34-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

Technical Data

NT 33-F / NT 34-F / NT 33-M / NT 34-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 33-F (NC Type)

NT 34-F (NO Type)

NT 33-M (NC Type) 

NT 34-M (NO Type)

860031

860036

860640

860645

0 to +60°C

860032

860037

860641

860646

-10 to +50°C

860033

860038

860642

860647

+20 to +80℃

860034

860039

860643

860648

+32 to +140℉

860035

860040

860644

860649

+14 to +122℉


Structure Chart

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Certificate
Video


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