DIN EN 61857-21 PDF

Published Date: 06/01/1998

Rotating electrical machines - Part 18: Functional evaluation of insulation systems; Section 1: General guidelines; Amendment A1 (IEC 60034-18-1/A1:1996); German version EN 60034-18-1:1994/A1:1996

Published Date: 08/01/1995

Rotating electrical machines - Part 18: Functional evaluation of insulation systems; Section 31: Test procedures for form-wound windings; thermal evaluation and classification of insulation systems used in machines up to and including 50 MVA and 15 kV (IEC 60034-18-31:1992); German version EN 60034-18-31:1994

Published Date: 05/01/2009

Draft Document - Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution (IEC 109/75/CDV:2009); German version EN 60664-3:2003/FprA1:2009

Published Date: 09/01/2005

Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage (IEC 61857-1:2004); German version EN 61857-1:2005

Published Date: 02/01/1999