Standard No.:	GB 7251.2-2006
Chinese Name:	低压成套开关设备和控制设备 第2部分：对母线干线系统（母线槽）的特殊要求
English Name:	Low-voltage switchgear and controlgear assemblies - Part 2: Particular requirements for busbar trunking systems(busways)
Professional Classification:	K31 Low-voltage distribution electrical equipment
Professional Classification:	GB National Standard
Issued by:
Issued on:	2006-08-25
Implemented on:	2007-03-01
Status:	ABOLISHED
Replace:	GB7251.2-1997 Low-voltage switchgear and controlgear assemblies--Part 2: Particular requirements for busbar trunking systems(busways)
Replace By:	GB7251.6-2015 Low-voltage switchgear and controlgear assemblies—Part 6:Busbar trunking systems(busways)
Replace By Date:	2016-06-01
Language:	English
File Format:	PDF
Word Count:
Price(USD):	please email coc@codeofchina.com for quotation
Delivery:	via email in 1-3 business day

This part applies to busbar trunking systems (BTS) and their accessories for feeding and distributing electrical power in residential, retail, public, agricultural and industrial premises. It also applies to busbar trunking systems which are designed to incorporate communication and/or control systems or intended to supply luminaires through tap-off units but does not apply to supply track systems in accordance with GB/T 13961-2003.
The busbar trunking systems (including variations in length and angles of bends) considered in this part are type-tested ASSEMBLIES (TTA) when tested in accordance with Chapter 8 of this part.
Tap-off units may be partially type-tested assemblies (PTTA).