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DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

DIN EN 61857-1 ; VDE 0302-11:2009-09 [CURRENT] references following documents:

Document number Edition Title
IEC 60611 1978 Guide for the preparation of test procedures for evaluating the thermal endurance of electrical insulation systems More 
IEC 62114 2001-10 Electrical Insulation Systems (EIS) - Thermal classification More 
IEC/TR 60791 1984 Performance evaluation of insulation systems based on service experience and functional tests More