(812) 309-78-59
(495) 223-46-76
IEC 61857-1:2004 ed2.0
Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage
33 стр.
Печатная копияЭлектронный (pdf)
163.80 CHF (включая НДС 20%)
29.080.30 Insulation systems / Изоляционные системы
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.This basic standard is applicable to existing or proposed EIS used in electrotechnical products with an input voltage of up to 1 000 V where the thermal factor is the dominating ageing factor.This second edition cancels and replaces the first edition published in 1998, and constitutes a technical revision to make this basic standard compatible with parts 21 and 22.