GB/T 24274-2019 Active National standards

GB/T 24274-2019 Low-voltage withdrawable switchgear and controlgear assemblies

GB/T 24274-2019 Low-voltage withdrawable switchgear and controlgear assemblies

Publish Date: 2019-10-18 Implement Date: 2020-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 24274-2019

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: 2019-10-18

Implement Date: 2020-05-01

Pages: 33 pages

Scope

This standard specifies the classification, interface characteristics, information, usage conditions, structural and performance requirements, and verification requirements for low-voltage withdrawable switchgear and control equipment (hereinafter referred to as "switchgear").
This standard applies to withdrawable switchgear and control equipment installed indoors under normal operating conditions, with a rated voltage of not more than 1,000 V AC and 1,500 V DC, used for power distribution and motor control.
Note: Switchgear with a rated working voltage of 1,140 V VAC may be implemented in accordance with this standard. Requirements such as dielectric performance shall be determined through consultation between the manufacturer and the user.

Development Information

Word Count: 60 Thousand words Pages: 33 pages

Replace the following standards

GB/T 24274-2009 Low-voltage withdrawable switchgear and controlgear assemblies

Referenced Standards

GB/T 762-2002 Standard current ratings GB/T 7251.1-2013 Low-voltage switchgear and controlgear assemblies—Part 1:General rules GB/T 7251.12-2013 Low-voltage switchgear and controlgear assemblies—Part 2:Power switchgear and controlgear assemblies GB/T 16935.1-2008 Insulation coordination for equipment within low-voltage systems—Part 1:Principles,requirements and tests IEC 60085 IEC 60216(所有部分) GB/T 4025-2003 Basic and safety principles for man-machine interface, marking and identification Coding principles for indication devices and actuators GB/T 4025-2010 Basic and safety principles for man-machine interface,marking and identification—Coding principles for indicators and actuators GB/T 4026-1992 Identification of electric equipment terminals and of terminations of certain designated conductors, including general rules for an alphanumeric system GB/T 4026-2004 Basic and safety principles for man-machine interface, marking and identification-identification of equipment terminals and of terminations of certain designated conductors, including general rules for an alphanumeric system GB/T 4026-2010 Basic and safety principles for man-machine interface,marking and identification—Identification of equipment terminals and conductor terminations GB/T 4026-2019 Basic and safety principles for man-machine interface,marking and identification—Identification of equipment terminals,conductor terminations and conductors GB/T 4205-2003 Man-machine interface(MMI)—Actuating principles GB/T 4205-2010 Basic and safety principles for man-machine interface(MMI),marking and identification—Actuating principles GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB/T 5169.5-1997 Fire hazard testing for electric and electronic products Part 2:Test methods Section 2:Needle-flame test GB/T 5169.5-2008 Fire hazard testing for electric and electronic products—Part 5:Test flames—Needle test method—Apparatus,confirmatory arrangement and guidance GB/T 5169.5-2020 Fire hazard testing for electric and electronic products—Part 5:Test flames—Needle-flame test method—Apparatus,confirmatory test arrangement and guidance GB 7947-1997 Identification of conductors by colors or numerals GB 7947-2006 Basic and safety principles for man-machine interface, marking and identification—Identification of conductors by colors or numerals GB/T 7947-2010 Basic and safety principles for man machine interface,marking and identification—Identification of conductors by colours or alphanumerics GB/T 14048.1-2000 Low-voltage switchgear and controlgear—General rules GB 14048.1-2006 Low-voltage switchgear and controlgear—Part 1:General rules GB/T 14048.1-2012 Low-voltage switchgear and controlgear—Part 1:General rules GB/T 14048.1-2023 Low-voltage switchgear and controlgear—Part 1:General rules GB 14048.3-2002 Low-voltage switchgear and controlgear—Part 3:Switches,disconnectors,switch-disconnectors and fuse-combination units GB/T 14048.3-2008 Low-voltage switchgear and controlgear—Part 3:Switches,disconnectors,switch-disconnectors and fuse-combination units GB/T 14048.3-2017 Low-voltage switchgear and controlgear—Part 3:Switches,disconnectors，switch-disconnectors and fuse-combination units GB/T 20138-2006 Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts(IK code) GB/T 20138-2023 Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts(IK code) GB/T 20641-2006 Empty enclosures for low-voltage switchgear and control gear assemblies—General requirements GB/T 20641-2014 Empty enclosures for low-voltage switchgear and controlgear assemblies—General requirements GB/T 4026-2025 Basic and safety principles for man-machine interface,marking and identification—Identification of equipment terminals,conductor terminations and conductors GB/T 14048.3-2025 Low-voltage switchgear and controlgear—Part 3:Switches,disconnectors,switch-disconnectors and fuse-combination units GB/T 20641-2025 Empty enclosures for low-voltage switchgear and controlgear assemblies—General requirements

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