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.
Life cycle
NOW
WITHDRAWN SSH EN 61857-1:1999 95.99
Withdrawal of Standard Dec 18, 2012
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Shqip