GB/T 14824-2008
Replaced
GB/Z 25842.2-2012
Active
National standards
GB/Z 25842.2-2012 Low-voltage switchgear and controlgear—Over-current protective devices—Part 2:Selectivity under over-current conditions
GB/Z 25842.2-2012 Low-voltage switchgear and controlgear—Over-current protective devices—Part 2:Selectivity under over-current conditions
Basic Information
Standard Code:
GB/Z 25842.2-2012
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Low-voltage electrical equipment
ICS Name:
Integrated switch devices and controllers
Publish Date:
2012-11-05
Implement Date:
2013-02-01
Pages:
26 pages
Scope
This guidance technical document specifies the definitions of relevant terms.
This guidance technical document is applicable to the selection guidelines for overcurrent protection devices between low-voltage switchgear and control equipment, and provides some application examples.
Development Information
Referenced Standards
GB/T 10963.1-2005 Electrical accessories—Circuit-breakers for overcurrent protection for household and similar installation—Part 1:Circuit-breakers for a.c. operation
GB 13539.1-2008 Low-voltage fuses—Part 1:General requirements
GB/T 13539.2-2008 Low-voltage fuses—Part 2:Supplementary requirements for fuses for use by authorized persons(fuses mainly for industrial application)—Examples of standardized systems of fuses A to I
GB/T 13539.3-2008 Low-voltage fuses—Part 3:Supplementary requirements for fuses for use by unskilled persons(fuses mainly for household and similar applications)—Examples of standardized systems of fuses A to F
GB/T 14048.2-2008 Low-voltage switchgear and controlgear—Part 2:Circuit-breakers
GB 14048.6-2008 Low-voltage switchgear and controlgear—Part 4-2:Contactors and motor-starters—AC semiconductor motor controllers and starters(including soft-starter)
GB/Z 25842.1-2010 Low-voltage switchgear and controlgear—Overcurrent protective devices—Part 1:Application of short-circuit ratings
IEC 60947-1:2007
IEC 60255(所有部分)
IEC 60269-4
IEC 60269-5:2010
IEC 60947-4-1
IEC 61008-1
IEC 61009-1
GB 14048.9-1998 Low-voltage switchgear and controlgear Multiple function equipment Section 2:Control and protective switching devices(or equipment)(CPS)
GB/T 14048.9-2008 Low-voltage switchgear and controlgear—Part 6-2:Multiple function equipment—Control and protective switching devices(or equipment)(CPS)
GB/T 14048.9-2024 Low-voltage switchgear and controlgear—Part 6-2:Multiple function equipment—Control and protective switching devices(or equipment)(CPS)
Adopt standards
IEC/TR 61912-2:2009
Related Standards
GB/Z 25842.1-2010
Active
GB/Z 25842.1-2010 Low-voltage switchgear and controlgear—Overcurrent protective devices—Part 1:Application of short-circuit ratings
GB/T 18858.1-2012
Active
GB/T 18858.1-2012 Low-voltage switchgear and controlgear—Controller-device interface(CDI)—Part 1:General rules
GB/T 18858.2-2012
Active
GB/T 18858.2-2012 Low-Voltage switchgear and controlgear—Controller-device interfaces(CDI)—Part 2:Actuator sensor interface(AS-i)
GB/T 18858.3-2012
Active
GB/T 18858.3-2012 Low-voltage switchgear and controlgear—Controller-device interface(CDI)—Part 3:DeviceNet
GB/T 14048.1-2012
Replaced