DIN EN 61857-21 VDE 0302-21:2005-06
Electrical insulation systems - Procedures for thermal evaluation
Part 21: Specific requirements for general purpose models - Wire-wound applications
(IEC 61857-21:2004); German version EN 61857-21:2004
Class/Status:
Standard,
withdrawn
Released: 2005-06
VDE Art. No.: 0302015