GB/T 2681-1981
Abolished
GB/T 18891-2024
Active
National standards
GB/T 18891-2024 Designation of phase differences by hour numbers in three-phase AC systems
GB/T 18891-2024 Designation of phase differences by hour numbers in three-phase AC systems
Basic Information
Standard Code:
GB/T 18891-2024
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Health, safety, and labor protection
ICS Name:
Comprehensive Electrical Engineering
Publish Date:
2024-04-25
Implement Date:
2024-11-01
Pages:
6 pages
Scope
This document specifies the methods and rules for indicating the phase difference between two phases in a three-phase AC system. This document is applicable to the technical documents of industrial installations, equipment, and products, as well as the marking of equipment and products.
Development Information
Replace the following standards
Adopt standards
IEC 60152:2021
Related Standards
GB/T 2682-1981
Abolished
GB/T 2682-1981 Colors of indicator lights and push-buttons used in electrical assembly devices
GB/T 3926-1983
Replaced
GB/T 3926-1983 Rated voltage for medium frequency equipment
GB/T 4064-1983
Abolished
GB/T 4064-1983 General guide for designing of electrical equipment to satisfy safety requirements
GB/T 4776-1984
Replaced
GB/T 4776-1984 Electrical safety terminology
GB/T 5080.4-1985
Active