GB 7251.2-1997
Replaced
GB/T 14048.6-2025
Active
National standards
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 14048.6-2025 Low-voltage switchgear and controlgear—Part 4-2:Contactors and motor-starters—Semiconductor motor controllers,starters and soft-starters
Basic Information
Standard Code:
GB/T 14048.6-2025
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:
2025-10-31
Implement Date:
2026-05-01
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:
100 pages
Scope
本文件适用于额定电压不超过交流1 000 V的电路相连的电动机用半导体控制器、起动器及软起动器,其中可以带有一个串联的机械开关电器。
本文件规定了在使用时带或不带旁路开关电器的电动机用半导体控制器和起动器的特性。
Development Information
Drafting Units:
上海电器科学研究院、苏州西门子电器有限公司、良信电器(海盐)有限公司、浙江天正电气股份有限公司、浙江科瑞普电气有限公司、浙江人民电器有限公司、安德利集团有限公司、上海精泰技术有限公司
Drafting Persons:
郑捷欣、俞楠、于波、丁邦伟、胡昌勇、包志舟、刘忠、阮冬华
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 14048.10-2025 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 14048.16-2025 Low-voltage switchgear and controlgear—Part 8:Control units for built-in thermal protection(PTC) forrotating electrical machines
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 755-2019 Rotating electrical machines—Rating and performance
GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat
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 14048.1-2023 Low-voltage switchgear and controlgear—Part 1:General rules
GB/T 14048.2-2020 Low-voltage switchgear and controlgear—Part 2:Circuit-breakers
GB/T 17045-2020 Protection against electric shock—Common aspects for installations and equipment
IEC 60445:2021
IEC 60715
IEC 60730-1
IEC 61000-3-2
IEC 61000-3-3
IEC 61000-3-11
IEC 61000-3-12
IEC 61000-4-11
IEC 61000-4-34
IEC TS 63058
IEC 63404:2024
Adopt standards
IEC 60947-4-2:2024
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