GB/T 7251.8-2020 Active National standards

GB/T 7251.8-2020 Low-voltage switchgear and controlgear assemblies—Part 8:General technical requirements for intelligent assembly

Publish Date: 2020-11-19 Implement Date: 2021-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 7251.8-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Low-voltage distribution electrical equipment

ICS Name: Low-voltage switchgear and controllers

Publish Date: 2020-11-19

Implement Date: 2021-06-01

Pages: 32 pages

Scope

This part of GB/T 7251 specifies the terms and definitions, conditions of use, structural requirements, performance requirements, and verification requirements for intelligent switchgear and control equipment in low-voltage switchgear and control equipment.
This part is applicable to intelligent switchgear and control equipment with a rated voltage of not more than 1,000 V AC and a frequency of not more than 1,000 Hz, and a rated voltage of not more than 1,500 V DC.

Development Information

Word Count: 60 Thousand words Pages: 32 pages

Replace the following standards

GB/T 7251.8-2005 Low-voltage switchgear and controlgear assemblies—General technology requirement for intelligent assemblies

Referenced Standards

GB/T 7251.1-2013 Low-voltage switchgear and controlgear assemblies—Part 1:General rules GB/T 17626.2-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.4-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrical fast transient/burstimmunity test GB/T 17626.5-2019 Electromagnetic compatibility—Testing and measurement techniques—Surge immunity test GB/T 18858.3-2012 Low-voltage switchgear and controlgear—Controller-device interface(CDI)—Part 3:DeviceNet GB/T 19582.2-2008 Modbus industrial automation network specification—Part 2:Modbus protocol implementation guide over serial link GB/T 35673-2017 Industrial communication networks—Network and system security—System security requirements and security levels IEC 61158(所有部分) IEC 61784(所有部分) IEC 62591 IEC 62601 IEC 62734 IEC 62948 IEEE 802.3 IEEE 802.11 IEEE 802.15 IEEE 1588 GB/T 25919.1-2010 Modbus test specification—Part 1:Modbus conformance test specification over serial link GB/T 25919.2-2010 Modbus test specification—Part 2:Modbus interoperability test specification over serial link

Related Standards

GB 7251.2-1997 Replaced

GB 7251.2-1997 Low-voltage switchgear and control gear assemblies—Part 2:Particular requirements for busbar trunking systems(busways)

Publish Date: 1997-12-30

GB/T 11022-1999 Replaced

GB/T 11022-1999 Common specifications for high-voltage switchgear and control gear standards

Publish Date: 1999-10-10

GB/T 18858.1-2002 Replaced

GB/T 18858.1-2002 Low-voltage switchgear and control gear Controller-device interface(CDIs)—Part 1:General rules

Publish Date: 2002-10-08

GB/T 18858.3-2002 Replaced

GB/T 18858.3-2002 Low-voltage switchgear and control gear—Controller-Device interface(CDI)—Part 3:Device Net

Publish Date: 2002-10-08

GB/Z 18859-2002 Replaced

GB/Z 18859-2002 Enclosed low-voltage switchgear and controlgear Assemblies—Guide for testing under conditions of arcing due to internal fault

Publish Date: 2002-10-08

GB 14048.4-2003 Replaced

GB 14048.4-2003 Low-voltage switchgear and controlgear—Electromechanical contactors and motor-starters

Publish Date: 2003-09-10