GB 7251.2-1997
Replaced
GB/T 14048.21-2013
Active
National standards
GB/T 14048.21-2013 Low-voltage switchgear and controlgear—Part 5-9:Control circuit devices and switching elements—Flow rate switches
GB/T 14048.21-2013 Low-voltage switchgear and controlgear—Part 5-9:Control circuit devices and switching elements—Flow rate switches
Basic Information
Standard Code:
GB/T 14048.21-2013
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Control appliances
ICS Name:
Low-voltage switchgear and controllers
Publish Date:
2013-12-17
Implement Date:
2014-04-09
Pages:
29 pages
Development Information
Same series standard
GB/T 14048.19-2013 Low-voltage switchgear and controlgear—Part 5-7:Control circuit devices and switching elements—Requirements for proximity devices with analogue output
GB/T 14048.20-2013 Low-voltage switchgear and controlgear—Part 5-8:Control circuit devices and switching elements—Three-position enabling switches
Referenced Standards
GB 4824-2004 Industrial, scientific and medical(ISM) radio-frequency equipment—Electromagnetic disturbance characteristics—Limits and methods of measurement
GB/T 7947-2010 Basic and safety principles for man machine interface,marking and identification—Identification of conductors by colours or alphanumerics
GB/T 14048.10-2008 Low-voltage switchgear and controlgear—Part 5-2:Control circuit devices and switching element—Proximtiy switches
GB/T 17045-2008 Protection against electric shock—Common aspects for installation and equipment
GB/T 17625.2-2007 Electromagnetic compatibility (EMC)—Limits—Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current ≤16 A per phase and not subject to conditional connection
GB/T 17626.2-2006 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test
GB/T 17626.4-2008 Electromagnetic compatibility—Testing and measurement techniques—Electrical fast transient/burst immunity test
GB/T 17626.6-2008 Electromagnetic compatibility—Testing and measurement techniques—Immunity to conducted disturbances,induced by radio-frequency fields
GB/T 17626.8-2006 Electromagnetic compatibility—Testing and measurement techniques—Power frequency magnetic field immunity test
GB/T 17626.11-2008 Electromagnetic compatibility—Testing and measurement techniques—Voltage dips,short interruptions and voltage variations immunity tests
GB/T 17626.13-2006 Electromagnetic compatibility—Testing and measurement techniques—Harmonics and interharmonics including mains signalling at a.c. power port,low frequency immunity test
IEC 60947-1:2011
IEC 61000-3-2:2005
IEC 61000-4-3:2006
IEC 61558-2-6
Adopt standards
IEC 60947-5-9:2006
Related Standards
GB/T 11022-1999
Replaced
GB/T 11022-1999 Common specifications for high-voltage switchgear and control gear standards
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
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
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
GB 14048.4-2003
Replaced