Stahl - Catalog - STAHL - #14

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0/8 0 Automation 17.04.2008 Basics of Explosion Protection Certification and Marking Certification and Marking Only appropriately certified and marked units may be used in hazardous areas. EC-Directive 94/9/EC Validity from 01.03.1996 Range of validity for equipment in hazardous areas • all equipment and protection systems • gases, vapours and dusts • including mining QM system of manufacturer „QM certificate“ of a notified body Certificate of conformity manufacturers’ declaration of conformity on the basis of the type examination Marking laid down by the Directive and the standards Name or marking of the manufacturer Type marking, (e.g.) 6000/562 Address D-74638 Waldenburg Marking of explosion protection EEx de IIC T6 EEx oder Ex (ab 12/2004) CENELEC marking d, e, ib, [ib], ...1) protection types IIC explosion group (for gases) T6 temperature class or, in the case of dust, the max. surface temperature of the equipment Distinguishing symbol of the EC with indication of the category E II 2 G D Mark according to EC Directive II Group of equipment 2 Category of equipment G, D G: gases, vapours or mist; D: dusts Test station, no. of certificate PTB 97 ATEX 2031 2) CE-mark, no. of testing authority C 0102 Electrical data V, A, W, Hz Ambient temperature, if other than - 20 °C ... + 40 ° C Ta ( + 50 °C 1) 2) ib for intrinsically safe apparatus, [ib] for associated apparatus with ... X if special conditions are indicated for use etc. with ... U for Ex-components