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Database: 189760 (25 Oct 2025)
TB/T 3077.2-2006 English PDF
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TB/T 3077.2-2006
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Post insulators on the roof of electric locomotives. Part 2: Composite insulators
Obsolete
TB/T 3077.2-2006
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Basic data
Standard ID
TB/T 3077.2-2006 (TB/T3077.2-2006)
Description (Translated English)
Post insulators on the roof of electric locomotives. Part 2: Composite insulators
Sector / Industry
Railway & Train Industry Standard (Recommended)
Classification of Chinese Standard
S35
Classification of International Standard
29.280
Word Count Estimation
9,981
Date of Issue
2006-11-29
Date of Implementation
2007-05-01
Older Standard (superseded by this standard)
TB/T 3077-2003
Adopted Standard
IEC 61109-1992, NEQ; IEC 61109 AMD.1-1995, NEQ
Regulation (derived from)
Industry standard filing Notice 2010 No. 8 (No. 128 overall)
Issuing agency(ies)
Ministry of Railways of the People's Republic of China
Summary
This standard specifies the single-phase power frequency (50Hz) AC nominal voltage of 25kV electric locomotives or EMUs roof pantograph and busbar (conductive rod) support the use of silicone rubber composite insulators (hereinafter referred to as insulators) the use of classification and mark, technical requirements, sampling, testing, inspection and packaging. This standard applies to electric locomotives and EMUs roof pantograph and busbar (conductive rod) support insulators. Other forms of roof composite insulators can be used with reference to this section.