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DIN EN 61857-21 ; VDE 0302-21:2010-02
Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications (IEC 61857-21:2009); German version EN 61857-21:2009
Edition
2010-02
DIN EN 61857-22 ; VDE 0302-22:2009-05
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
Edition
2009-05
SN EN 61857-21
Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications
Edition
2009-07
OEVE/OENORM EN 61857-21
Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications (IEC 61857-21:2009) (german version)
Edition
2010-04-01
OEVE/OENORM EN 61857-22
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)
Edition
2009-07-01
BS EN 61857-21
Electrical insulation systems - Procedures for thermal evaluation - Specific requirements for general-purpose models - Wire-wound applications
Edition
2009-10-31
NF C26-310-21 ; NF EN 61857-21:2009-12-01
Electrical insulation systems - Procedures for thermal evaluation - Part 21: specific requirements for general-purpose models - Wire-wound applications
Edition
2009-12-01
BS EN 61857-22
Electrical insulation systems - Procedures for thermal evaluation - Specific requirements for encapsulated-coil model - Wire-wound electrical insulation system (EIS)
Edition
2009-03-31
NF C26-310-22 ; NF EN 61857-22:2009-01-01
Electrical insulation systems - Procedures for thermal evaluation - Part 22: specific requirements for encapsulated-coil model - Wire-wound electrical insulation system (EIS)
Edition
2009-01-01
DIN EN 129201/A1
Blank detail specification: Wirewound inductors with ceramic or ferrite core - Assessment level E; German version EN 129201:1994/A1:1995
Edition
1996-11
