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NT 44-F Mechanical Thermostat
Features

Large setting range


Small size


Simple to mount


High switching performance

Product Description

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.


Technical Data

Technical Data

NT 43-F, NT 43-M / NT 44-F, NT 44-M

Operating Voltage

All AC/DC Voltage

Switch temperature difference

+/-5°C

Sensor element

thermostatic bimeta

Contact type

snap-action contact

Service life

>100,000 cycles

Max. switching capacity

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

60×33×43mm

Weight

approx. 40g

Fitting position

variable

Operating/Storage temperature

-45 to +80°C (-49 to +176°F)

Operating/Storage humidity

max. 90% RH (non-condensing)

Protection type

IP20

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.

Mounting options

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)

43NCF01

43NOF01

43NCM01

43NOM1

0 to +60℃

43NCF02

43NOF02

43NCM02

43NOM2

-10 to +50℃

43NCF03

43NOF03

43NCM03

43NOM3

+20 to +80℃

43NCF04

43NOF04

43NCM04

43NOM4

+32 to +140℉

43NCF05

43NOF05

43NCM5

43NOM5

+14 to +122℉


Structure Chart

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