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NB/T 42049-2015 English PDF

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NB/T 42049-2015: Metal-oxide surge arresters without gaps for d.c. systems of 3kV and below
Status: Valid
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
NB/T 42049-2015English329 Add to Cart 3 days [Need to translate] Metal-oxide surge arresters without gaps for d.c. systems of 3kV and below Valid NB/T 42049-2015

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Basic data

Standard ID NB/T 42049-2015 (NB/T42049-2015)
Description (Translated English) Metal-oxide surge arresters without gaps for d.c. systems of 3kV and below
Sector / Industry Energy Industry Standard (Recommended)
Classification of Chinese Standard K49
Classification of International Standard 29.080.99
Word Count Estimation 14,168
Date of Issue 2015-04-02
Date of Implementation 2015-09-01
Quoted Standard GB 11032-2010; GB/T 191-2008; GB/T 775.1-2006; GB/T 775.3-2006; GB/T 999-2008; GB/T 2900.12; GB/T 2900.19; GB/T 7354; GB/T 16927.1-2011; GB/T 16927.2-2013; GB/T 23752-2009; JB/T 7618-2011; JB/T 9673
Regulation (derived from) ?Energy Bureau Announcement 2015 No. 3
Issuing agency(ies) National Energy Administration
Summary This Standard specifies the contents of the rated voltage 4.8kV and below porcelain coat and jacket composite metal oxide surge arresters without gaps DC (hereinafter referred to as lightning) technical requirements, test methods and inspection rules. This Standard applies to the following 3kV DC system and the protection of traction motors and electrical equipment from overvoltage damage arrester.

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