GB/T 24276-2017 Active National standards

GB/T 24276-2017 A method of temperature-rise verification of low-voltage switchgear and controlgear assemblies by calculation

Publish Date: 2017-11-01 Implement Date: 2018-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 24276-2017

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: 2017-11-01

Implement Date: 2018-05-01

Pages: 30 pages

Scope

This standard specifies a method for verifying the temperature rise of low-voltage switchgear and control equipment by calculation. This method is suitable for enclosed switchgear or partitioned cabinet units of switchgear without forced ventilation, but it is not applicable to situations where the temperature rise verification method is explicitly specified in the relevant product standards of GB/T 7251. Note:

Development Information

Word Count: 54 Thousand words Pages: 30 pages

Replace the following standards

GB/T 24276-2009 A method of temperature-rise assessment by extrapolation for partially type-tested assemblies(PTTA)of low-voltage switchgear and controlgear

Referenced Standards

GB/T 7251.1-2013 Low-voltage switchgear and controlgear assemblies—Part 1:General rules

Adopt standards

IEC/TR 60890:2014

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