MT 209-1990 Translated English of Chinese Standard. MT209-1990: Electrical and electronic products for coal mine communication, testing and control - General technical requirements

Front Cover
https://www.chinesestandard.net, 2017 M09 2 - 24 pages
This Standard specifies the basic technical requirements for electrical and electronic products for coal mine communication, testing and control.
 

Contents

Subject content and scope of application
3
General provisions
5
Use performance
8
Appearance
11
Structure
12
Electrical clearance and creepage distance
13
Temperature rise
16
Stability
17
Explosionproof performance
19
Annex A Selection of severity level for special environmental conditions supplementary
21
Annex B Effect of altitude on product temperature rise and insulation electrical strength supplementary
22
Explosion proof and mining General products shall be tested informative
23

Common terms and phrases

About the author (2017)

https://www.chinesestandard.net specializes in providing translation services of all Chinese Standards.

Bibliographic information