IEC 61857-1:1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
12-09-2022
English - French, Spanish, Castilian
10-11-1998
Specifies a general test procedure for the thermal evaluation and qualification of electrical insulation systems (EIS) and establishes a procedure that compares the performance of a candidate EIS to that of a reference EIS. Is applicable to existing or proposed EISs used in electrotechnical products with an input voltage of up to 1 000 V where the thermal factor is the dominating ageing factor.
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