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IEC 60079-7:1990+AMD1:1991+AMD2:1993 CSV ed2.2

Заменен
Electrical apparatus for explosive gas atmospheres - Part 7: Increased safety 'e'. Consolidated edition comprising amendments 1(1991) and 2 (1993) — 94 стр.
Gives requirements for the design, construction, testing and marking of electrical apparatus, with a rated value of supply voltage not exceeding 11 kV r.m.s. a.c. or d.c., with type of protection 'e' that does not produce sparks, arcs, or dangerous temperatures in normal operation.
ICS
29.260.20 Electrical apparatus for explosive atmospheres / Электрическое оборудование для взрывоопасной атмосферы