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[4. ATEX flameproof]
ATEX Flameproof Certifications (English)
1. Marking information
0344 DEKRA 14ATEX0120 X
II 2 G Ex db IIC T6 Gb -40°C Tamb +75°C IP66
2. Applicable standards
- EN 60079-0: 2012 +A11 Electrical apparatus for explosive atmospheres - Part 0: General
requirements
- EN 60079-1: 2014 Electrical apparatus for explosive atmospheres – Part1:
Flameproof enclosure “d”
3. Special conditions for safe use
- The gap between the rotary shaft and bearing is 0.055mm max. and the width is 14.1mm min.
- The gap between the enclosure and the sensor housing is 0.113mm max. and the width is
19.9mm min..
-The terminal cover has at least 7.5 engaged threads.
-The screw used to assemble the flange to the Ex d housing shall be of class A2-50.
4. Instruction for safe use
4.1 Do not open when an explosive atmosphere is present.
4.2 Use supply wires and cable glands suitable for 5°C above surrounding ambient
temperature.
4.3 Cables glands or conduit sealing devices used must be certified for the
explosion protection mentioned above in item 1 and suitable for the application temperature.
4.4 Blanking element devices used must be certified for the ATEX explosion protection
mentioned above in item1 and suitable for the application temperature.
While this product is shipped with the ATEX certified blanking element only to avoid ingress
of solid foreign objects and water during transportation, the certification of this product does
not include the banking element.
4.5 If thread adapters are used there must be certified for ATEX application mentioned above in
item1 and suitable for the application temperature.
4.6 External grounding connection facility:
-The cable lug should be used so that the conductor with a cross-sectional area of
at least 4mm
2
is secured against loosing and twisting and that the contact pressure
is permanently secured.
-The cable lug should be between the flat washers.
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