DIN EN 61857-21 PDF

Published Date: 05/01/2009

Electrical insulation systems - Procedures for thermal evaluation - Part 22: Specific requirements for encapsulated-coil model - Wire-wound electrical insulation system (EIS) (IEC 61857-22:2008); German version EN 61857-22:2008

Published Date: 09/01/2009

Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage (IEC 61857-1:2008); German version EN 61857-1:2009

Published Date: 01/01/2013

Rotating electrical machines - Part 18-31: Functional evaluation of insulation systems - Test procedures for form-wound windings - Thermal evaluation and classification of insulation systems used in rotating machines (IEC 60034-18-31:2012); German version EN 60034-18-31:2012

Published Date: 11/01/2014

Rotating electrical machines - Part 18-41: Partial discharge free electrical insulation systems (Type I) used in rotating electrical machines fed from voltage converters - Qualification and quality control tests (IEC 60034-18-41:2014); German version EN 60034-18-41:2014

Published Date: 03/31/2005