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Printed in the Federal Republic of Germany
TR-Electronic GmbH 2019, All Rights Reserved
08/20/2021
TR-ECE-BA-GB-0138 v04
Page 31 of 47
7.3 Cable requirements
Basically, the electrical installations design, selection and erection of electrical plants
shall comply with EN/IEC 60079-14, see also chapter 2.13 on page 18.
The cables used shall be suitable for permanent installation and the material used
shall be selected in such a way as to comply with local requirements concerning work-
ing conditions.
The cables must be
covered with a thermoplastic, duraplastic or elastomeric material. They must be
circular and compact. Any embedding or coats must be extruded. Filling agents, if
present, must not be hygroscopic; or
mineralized metal coated with sealing
compatible with the clamping range of the cable inlet
The temperature resistance of the cable used must be adapted to the conditions of
use:
Min. temperature resistance
At ambient temperature, min. ............................
-40 °C or -20 °C
Max. temperature resistance, aluminum
– explosion protection enclosure
Ambient temperature, max.
at +40
…+60 °C
2
.......................................
+80 °C
at +60
…+75 °C ..........................................
+100 °C
Max. temperature resistance, stainless steel
– explosion protection enclosure
Ambient temperature, max.
at +40
…+50 °C
2
.......................................
+80 °C
at +50
…+75 °C ..........................................
+100 °C
2
In the speed class 6000 min
-1
AND
the power class 6.0 W, the maximum ambient temperatures
must be reduced by 10 °C.