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Database: 189759 (19 Oct 2025)
MT 847-2011 English PDF
MT 847: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
MT 847-2011
English
439
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3 days [Need to translate]
Flameproof conversion switch for coal mine
Obsolete
MT 847-2011
MT 847-2000
English
399
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3 days [Need to translate]
Flameproof conversion switch for coal mine
Obsolete
MT 847-2000
PDF similar to MT 847-2011
Standard similar to MT 847-2011
GB/T 29723.5
MT/T 827
HAD 002/02
MT/T 489
MT/T 117
MT/T 164
Basic data
Standard ID
MT 847-2011 (MT847-2011)
Description (Translated English)
Flameproof conversion switch for coal mine
Sector / Industry
Coal Industry Standard
Classification of Chinese Standard
D98
Classification of International Standard
73.100
Word Count Estimation
10,151
Date of Issue
2011-04-12
Date of Implementation
2011-09-01
Older Standard (superseded by this standard)
MT 847-2000
Quoted Standard
GB/T 191; GB/T 228; GB/T 2423.4; GB 3836.1-2000; GB 3836.2-2000; GB/T 10111; GB/T 14048.1; GB/T 14048.5-2008; AQ 1043; MT/T 661
Regulation (derived from)
?State Administration of Work Safety Announcement 2011 No.13
Issuing agency(ies)
State Administration of Work Safety
Summary
This standard specifies the mine flameproof switch product categories, technical requirements, test methods, inspection rules, signs, packaging, transport and storage. This standard applies to manual infrequently making and breaking circuit and switching circuit, controlled lighting, mine lights and measuring circuits of flameproof switch (hereinafter referred to as the "switch ").