GB 3836.7-2004
Electrical apparatus for explosive gas atmospheres-Part 7:Power filling"q" (English Version)

Standard No.

GB 3836.7-2004

Language

Chinese, Available in English version

Release Date

2004

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2018-07

Replace By

GB/T 3836.7-2017

Latest

GB/T 3836.7-2017

Replace

GB 3836.7-1987

Scope

This part of GB 3836 specifies the special requirements for the structure, testing and marking of sand-filled electrical equipment, electrical equipment components and Ex components for explosive gas, vapor and mist environments. Note: Sand-filled electrical equipment and Ex components include: electronic circuits, sensors, protective fuses, relays, intrinsically safe electrical equipment, associated electrical equipment, switches, etc. This part is a supplement to the requirements of GB 3836.1 applicable to sand-filled electrical equipment. This part is applicable to electrical equipment, electrical equipment parts and Ex components that meet the following conditions: - rated current less than (or equal to) 16 A; - rated power The loss is less than (or equal to) 1 000 VA, and the connection to the power supply voltage does not exceed 1 000 V.

GB 3836.7-2004 history

• 2017 GB/T 3836.7-2017 Explosive atmospheres—Part 7: Equipment protection by powder filling “q”
• 2004 GB 3836.7-2004 Electrical apparatus for explosive gas atmospheres-Part 7:Power filling"q"
• 1987 GB 3836.7-1987 Electrical apparatus for explosive atmospheres--Sand filled electrical apparatus "q"

GB 3836.7-2004 Electrical apparatus for explosive gas atmospheres-Part 7:Power filling"q" was changed to GB/T 3836.7-2017 Explosive atmospheres—Part 7: Equipment protection by powder filling “q”.

GB 3836.7-2004 -All Parts