GB/T 11021-1989
Thermal evaluation and classification of electrical insulation (English Version)

Standard No.

GB/T 11021-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2008-05

Replace By

GB/T 11021-2007

Latest

GB/T 11021-2014

Scope

This standard stipulates the heat resistance classification of electrical product insulation, and determines the principles and tasks of heat resistance evaluation and classification. This standard is applicable to the heat resistance grading of electrical products and their insulation, as well as the heat resistance grading of insulating materials, simple combinations and insulating structures applied in a specific occasion.

GB/T 11021-1989 history

• 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