GB/T 11021-2014 (English Version) PDF

Standard No.: GB/T 11021-2014
Language: Chinese, Available in English version
Release Date: 2014
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 11021-2014
Replace: GB/T 11021-2007

Scope: This standard specifies the thermal resistance classification, evaluation and evaluation procedures of electrical insulating materials (EIM) and electrical insulation systems (EIS). This standard applies to the heat resistance of electrical insulating materials (EIM) and electrical insulation systems (EIS) where heat factor is the main aging factor.

GB/T 11021-2014 Referenced Document

IEC 60216-1 Electrical insulating materials - Thermal endurance properties - Part 1: Ageing procedures and evaluation of test results
IEC 60216-5 Electrical insulating materials - Thermal endurance properties - Part 5: Determination of relative temperature index (RTI) of an insulating material*， 2022-11-18 Update
IEC 60505 Evaluation and qualification of electrical insulation systems; Corrigendum 1*， 2017-03-01 Update
IEC 61857 Electrical insulation systems - Procedures for thermal evaluation - Part 32: Multifactor evaluation with increased factors during diagnostic testing*， 2019-10-14 Update
IEC 61858 Electrical insulation systems – Thermal evaluation of modifications to an established wire-wound EIS (Edition 3.0)

2014 GB/T 11021-2014 Electrical insulation.Thermal evaluation and designation
2007 GB/T 11021-2007 Electrical insulation.Thermal classification
1989 GB/T 11021-1989 Thermal evaluation and classification of electrical insulation