Standard No.:	GB/T 7251.8-2005
English Name:	Low-voltage Switchgear and Controlgear Assemblies-General Technology Requirement for Intelligent Assemblies
Chinese Name:	低压成套开关设备和控制设备智能型成套设备通用技术要求
Chinese Classification:	K31    Low-voltage distribution electrical equipment
Professional Classification:	GB    National Standard
ICS Classification:	29.120.20 29.120.20    Connecting devices 29.120.20
Issued by:	AQSIQ; SAC
Issued on:	2005-04-04
Implemented on:	2005-8-1
Status:	superseded
Superseded by:	GB/T 7251.8-2020 Low-voltage switchgear and controlgear assemblies—Part 8: General technical requirements for intelligent assembly
Superseded on:	2021-6-1
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	150.00
Delivery:	via email in 1 business day

This standard specifies the terms and definitions, operating conditions, requirements and test methods of intelligent assemblies in low-voltage switchgear and controlgear assemblies.

This standard is applicable to the intelligent assemblies with rated voltage AC not exceeding 1000V, frequency not exceeding 1000Hz and DC not exceeding 1500V.

Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Operating Conditions
5 Requirements
6 Product Information
7 Test Methods
Annex A (Normative) Additional Requirements for Assemblies Adopting Profibus-DP Bus
Annex B (Normative) Additional Requirements for Assemblies Adopting DeviceNet Bus
Annex C (Normative) Additional Requirements for Assemblies Adopting Profibus-DP Bus