PTC Thermistors for Electric Motor Thermal Protection(Triple Thermistor)

$170.00

Key Benefits:
PTC thermistors are used to monitor temperature in machinesand installations.The design ensures short response times andeasy installation.

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Description

General information:

PTC thermistors acc. to DIN 44081 (triple sensors acc. to DIN44082) are used to protect electrical machines against thermaloverload.Thermistors have an even steeper R/T characteristic asthat defined in the DIN standard. The temperature range is from 70°C to 160°C. PTC thermistor beads with different rated responsetemp eratures can be connected in series. This permits an optimal and economic thermal protection of machines and windings with different limit temperatures.

 

Structure :

PTC Triple Thermistors (Standard Size)

 

PTC Identification and Part Numbers:

The color of the connection leads  indenfies the rated response temperature. These are defined in DIN 44081/082.

 

Tk(°C)

 

Color of leads

 

Triple PTC

70White/BrownMZ6-70-D
80White/WhiteMZ6-80-D
90Green/GreenMZ6-90-D
100Red/RedMZ6-100-D
110Brown/BrownMZ6-110-D
120Gray/GrayMZ6-120-D
130Blue/BlueMZ6-130-D
140White/BlueMZ6-140-D
145White/BlackMZ6-145-D
150Black/BlackMZ6-150-D
155Blue/BlackMZ6-155-D
160Blue/RedMZ6-160-D

Specification

Technical Date PTC acc.to DIN 44082:

Items

Triple

Max.operating voltage

30V

Rate ressponse temperature Tk

70-160°C

Tolerance of Tk

±5K

Reproducibility of Tk

±0.5K

Resistance R25

≤300Ω

Resistance at a temperature of Tk -5K

≤1650Ω

Resistance at a temperature of Tk +5K

≥3990Ω

Resistance at a temperature of Tk +15K

≥12kΩ

Thermal response time Td

≤5s

Insulation test voltage V

 AC2.5kV

Max. operating temperature

160°C

Max. storage temperature

160°C

Min. storage temperature

-25°C

Weight

3.5g

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