GB 7251.2-1997
Low-voltage switchgear and controlgear assemblies. Part 2: Particular requirements for busbar trunking systems (busways) (English Version)

Standard No.

GB 7251.2-1997

Language

Chinese, Available in English version

Release Date

1997

Published By

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

Status

Be replaced 2007-03

Replace By

GB 7251.2-2006

Latest

GB/T 7251.2-2023

Scope

This standard is also applicable to the main busbar system that supplies power for lighting through tap-off units, but it is not applicable to the line system that complies with IEC570.

GB 7251.2-1997 history

• 2023 GB/T 7251.2-2023 Low-voltage switchgear and controlgear assemblies—Part 2: Power switchgear and controlgear assemblies
• 2015 GB 7251.6-2015 Low-voltage switchgear and controlgear assemblies.Part 6:Busbar trunking systems (busways)
• 2006 GB 7251.2-2006 Low-voltage switchgear and controlgear assemblies. Part 2: Particular requirements for busbar trunking systems (busways)
• 1997 GB 7251.2-1997 Low-voltage switchgear and controlgear assemblies. Part 2: Particular requirements for busbar trunking systems (busways)

GB 7251.2-1997 -All Parts