T/GDC 139-2021
Technical specification for detection of high voltage AC disconnector and grounding switch (English Version)

Standard No.

T/GDC 139-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

Group Standards of the People's Republic of China

Latest

T/GDC 139-2021

Scope

Temperature rise test of high-voltage AC isolating switch and grounding switch detection technology, short-time withstand current and peak withstand current tests, test procedures for rated frequency 50Hz and 60Hz test combinations, grounding switch short-circuit closing ability test, and test samples for test confirmation information, information provided by the manufacturer.

T/GDC 139-2021 history

• 2021 T/GDC 139-2021 Technical specification for detection of high voltage AC disconnector and grounding switch