GB 5590-1985
Replaced
GB/T 28556-2012
Active
National standards
GB/T 28556-2012 Flameproof and intrinsically safe controller with frequency converter for coalmine ventilation fan
GB/T 28556-2012 Flameproof and intrinsically safe controller with frequency converter for coalmine ventilation fan
Basic Information
Standard Code:
GB/T 28556-2012
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Explosion-proof electrical appliances
ICS Name:
Electric equipment for use in explosive environments
Publish Date:
2012-06-29
Implement Date:
2012-11-01
Pages:
26 pages
Scope
This standard specifies the terms and definitions, types and basic parameters, technical requirements, test methods, inspection rules, and requirements for marking, packaging, transportation, and storage of explosion-proof and intrinsically safe frequency control devices for ventilators in Class I coal mines.
This standard applies to explosion-proof and intrinsically safe frequency control devices for ventilators in Class I coal mines (hereinafter referred to as frequency control devices).
Development Information
Related Standards
GB 3836.9-1990
Replaced
GB 3836.9-1990 Electrical apparatus for explosive atmospheres Encapsulated electrical apparatus "m"
GB 3836.11-1991
Replaced
GB 3836.11-1991 Electrical apparatus for explosive atmospheres-Method of test for ascertainment of maximum experimental safe gap
GB 3836.12-1991
Replaced
GB 3836.12-1991 Electrical apparatus for explosive atmospheres—Classification of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents
GB 3836.13-1997
Replaced
GB 3836.13-1997 Electrical apparatus for explosive gas atmospheres—Part 13:Repair and overhaul for apparatus used in explosive gas atmospheres
MT 703-1997
Replaced