This document specifies the construction and testing of intrinsically safe apparatus intended for use in an explosive atmosphere and for associated apparatus, which is intended for connection to intrinsically safe circuits which enter such atmospheres. This type of protection is applicable to electrical equipment in which the electrical circuits themselves are incapable of causing an explosion in the surrounding explosive atmospheres.
Basic Data
Standard ID
GB/T 3836.4-2021 (GB/T3836.4-2021)
Description (Translated English)
Explosive atmospheres - Part 4: Equipment protection by intrinsic safety "i"
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
K35
Word Count Estimation
127,120
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
