GB 7251.2-1997
Replaced
GB/T 14048.16-2025
Pending
National standards
GB/T 14048.16-2025 Low-voltage switchgear and controlgear—Part 8:Control units for built-in thermal protection(PTC) forrotating electrical machines
GB/T 14048.16-2025 Low-voltage switchgear and controlgear—Part 8:Control units for built-in thermal protection(PTC) forrotating electrical machines
Basic Information
Standard Code:
GB/T 14048.16-2025
Standard Type:
National standards
Standard Status:
Pending
is_force_gb:
no
CCS Name:
Low-voltage distribution electrical equipment
ICS Name:
Low-voltage switchgear and controllers
Publish Date:
2025-12-31
Implement Date:
2026-07-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国低压电器标准化技术委员会(SAC/TC 189)
Pages:
40 pages
Scope
本文件规定了控制单元的要求,依据旋转电机和工业应用中的PTC热敏电阻变化,该控制单元进行开关电器的控制。
本文件规定了包括具有特定特性的正温度系数(PTC)热敏电阻及其相关控制单元的此类系统的要求。
Development Information
Drafting Units:
上海电器科学研究院、贵州航天职业技术学院、上海电器科学研究所(集团)有限公司、宁波奇乐电气集团有限公司
Drafting Persons:
贾峰、张朝兰、周洪发、张森林、胡敏、冯威杰
Same series standard
GB/T 14048.3-2025 Low-voltage switchgear and controlgear—Part 3:Switches,disconnectors,switch-disconnectors and fuse-combination units
GB/T 14048.6-2025 Low-voltage switchgear and controlgear—Part 4-2:Contactors and motor-starters—Semiconductor motor controllers,starters and soft-starters
GB/T 14048.10-2025 Low-voltage switchgear and controlgear—Part 5-2:Control circuit devices and switching elements—Proximity switches
GB/T 14048.12-2025 Low-voltage switchgear and controlgear—Part 4-3:Contactors and motor-starters—Semiconductor controllers and semiconductor contactors for non-motor loads
GB/T 14048.25-2025 Low-voltage switchgear and controlgear—Part 9-2:Active arc-fault mitigation systems—Optical-based internalarc-detection and mitigation devices
Replace the following standards
Referenced Standards
GB/T 2423.5-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ea and guidance:Shock
GB/T 2423.5-2019 Environmental testing—Part 2:Test methods—Test Ea and guidance:Shock
GB/T 2423.10-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Fc and guidance:Vibration (Sinusoidal)
GB/T 2423.10-2008 Environmental testing for electric and electronic products—Part 2:Tests methods Test Fc:Vibration(sinusoidal)
GB/T 2423.10-2019 Environmental testing—Part 2:Tests methods—Test Fc:Vibration(sinusoidal)
GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
GB 4824-2025 Industrial, scientific and medical equipment—Radio-frequency disturbance characteristics—Limits and methods of measurement
GB/T 5465.2-1996 Graphical symbols for use on electrical equipment
GB/T 5465.2-2008 Graphical symbols for use on electrical equipment—Part 2:Graphical symbols
GB/T 5465.2-2023 Graphical symbols for use on electrical equipment—Part 2:Graphical symbols
GB/T 14048.1-2023 Low-voltage switchgear and controlgear—Part 1:General rules
GB/T 14048.5-2017 Low-voltage switchgear and controlgear—Part 5-1:Control circuit devices and switching element—Electromechanical control circuit devices
GB/T 17045-2020 Protection against electric shock—Common aspects for installations and equipment
IEC 60445
IEC 60730-1
IEC 60738-1
IEC 60738-1-4:2008
Adopt standards
IEC 60947-8:2021
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