GB 7251.5-1998
Low-voltage switchgear and controlgear assemblies Part 5: Particular requirements for assemblies intended to be installed outdoors in public places--Cable distribution cabinets (CDCs)for power distribution in networks

Be replaced

Standard No.

GB 7251.5-1998

Language

Chinese

Release Date

1998

Published By

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

Replace By

GB 7251.5-2008

Lastest

GB/T 7251.5-2017

Scope

This standard establishes supplementary requirements for cable distribution boxes (CDCs), which are type test assemblies (TTA) for outdoor installation, installed in public places, but only accessible by professionals when they are used. It is used in public three-phase systems. Note 1 If the cable distribution boxes (CDCs) also include additional equipment (such as instruments, etc.), so that its main function can be considered to be changed, other standards can be adopted according to the agreement between the manufacturer and the user. 2 If local regulations and actual conditions allow, a CDC complying with this standard can also be used on other distribution networks than the public distribution network.

GB 7251.5-1998 history

• 2017 GB/T 7251.5-2017 Low-voltage switchgear and controlgear assemblies—Part 5: Assemblies for power distribution in public networks
• 2008 GB 7251.5-2008 Low-voltage switchgear and controlgear assemblies.Part 5:Particular requirements for assemblies for power distribution in public networks
• 1998 GB 7251.5-1998 Low-voltage switchgear and controlgear assemblies Part 5: Particular requirements for assemblies intended to be installed outdoors in public places--Cable distribution cabinets (CDCs)for power distribution in networks

GB 7251.5-1998 -All Parts