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IEC 61857-32:2019

Electrical insulation systems - Procedures for thermal evaluation - Part 32: Multifactor evaluation with increased factors during diagnostic testing

110,00 € 

IEC 61857-31:2017

Electrical insulation systems - Procedures for thermal evaluation - Part 31: Applications with a designed life of 5 000 h or less

40,00 € 

IEC TR 61857-2:2015

Electrical insulation systems - Procedures for thermal evaluation - Part 2: Selection of the appropriate test method for evaluation and classification of electrical insulation systems

40,00 € 

IEC 61857-21:2009

Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications

70,00 € 

IEC 61857-1:2008

Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage

70,00 € 

IEC 61857-22:2008

Electrical insulation systems - Procedures for thermal evaluation - Part 22: Specific requirements for encapsulated-coil model - Wire-wound electrical insulation system (EIS)

70,00 €