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Database: 189759 (19 Oct 2025)
GB 13028-1991 English PDF
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Standard Title (Description)
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GB 13028-1991
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Isolating transformers and safety isolating transformers--Requirements
Obsolete
GB 13028-1991
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Basic data
Standard ID
GB 13028-1991 (GB13028-1991)
Description (Translated English)
Isolating transformers and safety isolating transformers--Requirements
Sector / Industry
National Standard
Classification of Chinese Standard
K41
Classification of International Standard
29.18
Word Count Estimation
82,825
Date of Issue
7/15/1991
Date of Implementation
4/1/1992
Adopted Standard
IEC 60742-1983, MOD
Regulation (derived from)
China National Standards Bulletin No. 5 of 2007 (Serial No. 105) ("China Standardization"); Announcement of Newly Approved National Standards No. 16 of 2008 (No. 129 overall)
Issuing agency(ies)
State Bureau of Technical Supervision
Summary
This Standard specifies isolation transformers and safety isolating transformer (including power supply unit with a power cord, terminals, switches and other components to the main transformer) safety requirements and other requirements.