Modular Terminal Blocks Catalogue 2012/2013

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Terminals, P-Series (PUSH IN technology) Terminals, Z-Series (Tension clamp technology) Terminals, W-Series, Stud terminals, SAK-Series (Screw connection technology) Shield connection terminals KLBÜ AccessoriesAppendix

Vydal: Weidmüller, s.r.o. Autor: Weidmueller

Strana 540 z 571

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Poznámky redaktora
ATEX directives ATEX directives Since July 2003, all new facilities in explosion risk zones must certified according ATEX Directive 94/9/ EG ATEX (ATEX: ATmosphère EXplosive explosive atmosphere).g. In these countries, the directive refers to the sale and commissioning of products which have been designed particularly for high explosion risk environments (where explosive atmospheres exist due gases, vapours, mists, dusts). valid all European Union countries, well as Iceland, Lichtenstein and Norway. Class protection Type protection Code CENELEC IEC Product category explosion protect.) CENELEC NEC 500 Propane IIA D Ethylene IIB C Hydrogen IIC B Acetylene IIC A Methane (mining) mining (MSHA) Temperature classes Max. now also covers the mining sector and purely mechanical devices. General requirements 60079-0 60079-0 – Oil immersion 60079-6 60079-6 2 Pressurised apparatus 60079-2 60079-2 2 Powder filling 60079-5 60079-5 2 Flameproof enclosure 60079-1 60079-1 2 Increased safety 60079-7 60079-7 2 Intrinsic safety 60079-11 60079-11 1 Intrinsic safety 60079-11 60079-11 2 Intrinsic safety 60079-11 60079-11 3 Type (Ex 60079-15 60079-15 3 Encapsulation 60079-18 60079-18 2 Classification for potentially explosive areas CENELEC classification IEC60079-10 Presence potentially explosive atmosphere Product category US classification NEC 500 Combustible media Zone permanent, long-term Class Div Gases, Vapours Zone frequently Class II, Div Dust Zone occasionally Class Div Gases, Vapours Zone Class II, Div Dust Zone rarely and Class Div Gases, Vapours Zone briefly Class II, Div Dust Explosion groups Gas (e.28 1282250000 2012/2013 . This directive one the “New- Approach” directives. surface temperatur (°C) Temperature class CENELEC Temperature class NEC 500-3 450 T1 300 T2 280 T2A 260 T2B 230 T2C 215 T2D 200 T3 180 T3A 165 T3B 160 T3C 135 T4 120 T4A 100 T5  85 T6 W Technicalappendix W