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IEC 60519-21:1998 ed1.0

Заменен
Safety in electroheat installations - Part 21: Particular requirements for resistance heating equipment - Heating and melting glass equipment — 15 стр.
Covers the safety aspects of electrical parts also in the case when electrical heating is combined with other means of heating, for example liquid fuel heating. Supplements and modifies the corresponding clauses in IEC 60519-2. The contents of the corrigendum of June 1999 have been included in this copy.
ICS
25.180.10 Electric furnaces / Электрические печи