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Bimetal

The document provides specifications for bimetal thermal trips, including dimensions, switching temperatures, and identification numbers. It details the recommended switching temperatures for various heatsink types and outlines the switching characteristics of the contacts. Additionally, it includes information on maximum current, guaranteed switching cycles, and insulation test voltage.

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tobias.inntag
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65 views1 page

Bimetal

The document provides specifications for bimetal thermal trips, including dimensions, switching temperatures, and identification numbers. It details the recommended switching temperatures for various heatsink types and outlines the switching characteristics of the contacts. Additionally, it includes information on maximum current, guaranteed switching cycles, and insulation test voltage.

Uploaded by

tobias.inntag
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Dimensions Switching Ident No. 14.

7 Bimetal Thermal Trips


in mm temperature 240 V~ (30 V=)
°C
63 30095070
67 30095080
75 ± 3 % 30095090
80 30095100
85 30095110
90 30095120
95 30095130
118 ± 3,5 % 30095140
132 30095150
50 32306700
56 30095170
60 30095180
63 31804300
71 ± 3 % 30095190
75 31804400 Switching characteristics of the contact
80 30138940
85 31804600 Working voltage 240 V~ 30 V=
90 30121480 Maximum current 1A 3A
95 30121470 Guaranteed swit- 100 000
ching cycles
100 ± 3,5 % 30116110
Insulation test 2000 V~ for 2s
112 30116120 voltage (rms)
118 30121460
50 30137120 1)
The contact is normally closed and will
60 ± 3 % 30138420
open at the switching temperature
80 30140550 2)
The contact is normally open and will
85 30140540 close at the switching temperature

Recommended switching temperature of the thermal trip


for the heatsinks K 1,1 and K 0,55

Types K 1,1 K 1,1 F K 0,55 K 0,55 F


SKN 45 95 °C 67 °C - -
SKN 70 - 90 °C - -
SKN 100 118 °C 85 °C - -
SKN 130 - 90 °C - -
SKN 240 132 °C - - 75 °C
SKN 320 - - - 95 °C
SKT 40 80 °C 67 °C - -
SKT 55 90 °C 67 °C - -
SKT 80 95 °C 67 °C - -
SKT 100 95 °C 67 °C - -
SKT 130 95 °C 80 °C 90 °C 67 °C
SKT 160 95 °C 80 °C 90 °C 67 °C
SKT 215 - - 95 °C 75 °C
SKT 250 - - 95 °C 75 °C

B 14 – 124 0896 © by SEMIKRON

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