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TECHNICAL ANNEX<br />
ATEX-DIRECTIVE 2014/34/EU<br />
ELECTRICAL<br />
1 8 2 3 4 5 6 7<br />
II 2 D Ex tb IIIC T130°C Db<br />
LABELLING ACCORDING TO GUIDELINES REQUIREM<strong>EN</strong>TS<br />
LABELLING ACCORDING TO NORMATIVE REQUIREM<strong>EN</strong>TS<br />
NON-<br />
ELECTRICAL<br />
II 1 G Ex h IIA T3 Ga<br />
1 8 2 3 9 10 11 7<br />
1 Equipment group I Underground plants of mines, as well as their overground plants, which can be endangered by gas and/or combustible dusts<br />
Equipment group II Remaining areas: Hazard due to an explosive atmosphere.<br />
2 Explosive atmosphere G Mixture of air | gases | vapours | mist<br />
Explosive atmosphere D Dust | Air mixtures<br />
3 The Symbol Ex Indicates that the device complies with one or more ignition protection types.<br />
4 Type of ignition protection Symbol Norm <strong>EN</strong><br />
Flameproof encapsulation d 60079-1<br />
Pressurised enclosure p 60079-2<br />
Sand encapsulation q 60079-15<br />
Oil encapsulation o 60079-16<br />
Increased safety e 60079-17<br />
Intrinsic safety (gas and dust) i 60079-11<br />
Electrical equipment Ignition protection type *n* n 60079-15<br />
Encapsulation m 60079-18<br />
Equipment with optical radiation op 60079-28<br />
Protection by enclosure t 60079-31<br />
7 Equipment Protection Level (EPL) Category<br />
EPL Ga corresponds to 1G<br />
EPL Gb corresponds to 2G<br />
EPL Gc corresponds to 3G<br />
EPL Da corresponds to 1D<br />
EPL Db corresponds to 2D<br />
EPL Dc corresponds to 3D<br />
5 Group Definition<br />
IIIA<br />
Combustible fluff<br />
IIIB<br />
Non-conductive dust<br />
IIIC<br />
Conductive dust<br />
Group<br />
Typical gases<br />
IIA<br />
Propane<br />
IIB<br />
Ethylene<br />
IIC<br />
Hydrogen<br />
6 In the dust Ex-area, the maximum surface<br />
temperature must be specified directly.<br />
8 Equipment category Safety Possible zone application<br />
Equipment category 1 Very high 0/20, 1/21, 2/22<br />
Equipment category 2 High 1/21, 2/22<br />
Equipment category 3 Normal 2/22<br />
9 Ignition protection types of the NON-electrical explosion protection<br />
Constructional safety *c* h <strong>EN</strong> ISO 80079-37<br />
Ignition source monitoring *b* h <strong>EN</strong> ISO 80079-37<br />
Liquid encapsulation *k* h <strong>EN</strong> ISO 80079-37<br />
10 Group Typical gases<br />
IIA Propane<br />
IIB Ethylene<br />
IIC Hydrogen<br />
11 Temperature class Temperature<br />
T1 Max. 450°C<br />
T2 Max. 300°C<br />
T3 Max. 200°C<br />
T4 Max. 135°C<br />
T5 Max. 100°C<br />
T6 Max. 85°C<br />
O TABLE OF CONT<strong>EN</strong>T<br />
TECHNICAL ANNEX<br />
177
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