GB/T 14048.4-2020 Active National standards

GB/T 14048.4-2020 Low-voltage switchgear and controlgear—Part 4-1:Contactors and motor-starters—Electromechanical contactors and motor-starters(Including motor protector)

Publish Date: 2020-09-29 Implement Date: 2021-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 14048.4-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Control appliances

ICS Name: Low-voltage switchgear and controllers

Publish Date: 2020-09-29

Implement Date: 2021-04-01

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: 146 pages

Scope

GB/T 14048的本部分规定了：
a)电器的特性。
b)以下方面的适用条件：
1)操作和性能；
2)介电性能；
3)防护等级；
4)结构，包括防止电击、火灾和机械危险的安全措施。
c)用于确认电器满足这些条件的试验，以及试验方法。
d)产品上或制造商文件中需给出的信息。
本部分也规定了安全场所用机电式过载保护的评估程序，例如保护位于易爆环境中的电机免受外部环境影响(见附录L)。
本部分适用于：
——机电式接触器和起动器，包括电动机保护开关电器(MPSD)；
——接触器式继电器的操动器；
——接触器或接触器式继电器线圈回路的专用触头；
——专用配件(如专用接线，专用锁扣配件)。
上述电器连接至配电回路、电动机回路和其他负载回路，额定电压交流不超过1 000 V1)或直流不超过1 500 V。

Development Information

Drafting Units:

上海电器科学研究院、浙江正泰电器股份有限公司、常熟开关制造有限公司(原常熟开关厂)、施耐德电气(中国)有限公司上海分公司、上海良信电器股份有限公司、浙江天正电气股份有限公司、德力西电气有限公司、苏州西门子电器有限公司、上海电器股份有限公司人民电器厂、常安集团有限公司、环宇集团浙江高科股份有限公司、上海诺雅克电气有限公司、浙江人民电器有限公司、苏州万龙电气集团股份有限公司、浙江兆正机电有限公司、上海巢安电气有限公司

Drafting Persons:

栗惠、郑捷欣、肖体锋、顾怡文、张东进、谢强强、靳海富、李新叶、朱林、乐莺、王旭川、潘如新、王海渊、包志舟、程玉标、张奇建、吴满怀

Word Count: 279 Thousand words Pages: 146 pages

Same series standard

GB/T 14048.2-2020 Low-voltage switchgear and controlgear—Part 2:Circuit-breakers

Replace the following standards

GB/T 14048.4-2010 Low-voltage switchgear and controlgear—Part 4-1:Contactors and motor-starters—Electromechanical contactors and motor-starters(Including motor protector)

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 2423.22-2012 Environmental testing—Part 2:Test methods—Test N:Change of temperature 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/T 3836.15-2017 Explosive atmospheres—Part 15:Electrical installations design,selection and erection GB/T 3956-2008 Conductors of insulated cables GB/T 11021-2014 Electrical insulation—Thermal evaluation and designation GB/T 14048.1-2012 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 14048.3-2017 Low-voltage switchgear and controlgear—Part 3:Switches,disconnectors，switch-disconnectors and fuse-combination units 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 16895.1-2008 Low-voltage electrical installations—Part 1:Fundamental principles,assessment of general characteristics,definitions GB/T 17045-2008 Protection against electric shock—Common aspects for installation and equipment GB/T 21210-2016 Starting performance of single-speed three-phase cage induction motors GB/T 21711.1-2008 Electromechanical elementary relays—Part 1:General and safety requirements IEC 60715:2017 IEC 60947-1:2007/A2:2014 IEC 61000-6-2 IEC 61439(所有部分) CISPR 11:2015 CISPR 11:2015/A1:2016 GB 156-2003 Standard voltages GB/T 156-2007 Standard voltages GB/T 156-2017 Standard voltages GB/T 2893.2-2008 Graphical symbols—Safety colours and safety signs—Part 2:Design principles for product safety labels GB/T 2893.2-2020 Graphical symbols—Safety colours and safety signs—Part 2:Design principles for product safety labels GB/T 10194-1997 Varistors for use in electronic equipment Part 2:Sectional specification for surge suppression varistors GB 14536.1-1998 Automatic electrical controls for household and similar use Part 1:General requirements GB/T 14536.1-2008 Automatic electrical controls for household and similar use—Part 1:General requirements GB/T 14536.1-2022 Automatic electrical controls—Part 1:General requirements GB/T 16895.32-2008 Electrical installations of buildings—Part 7-712:Requirements for special installations or locations—Solar photovoltaic (PV) power supply systems GB/T 16895.32-2021 Low voltage electrical installations—Part 7-712:Requirements for special installations or locations—Solar photovoltaic (PV) power supply systems GB 21518-2008 Minimum allowable values of energy efficiency and energy efficiency grades for AC contactors GB 21518-2022 Minimum allowable values of energy efficiency and energy efficiency grades for AC contactors GB/T 32891.1-2016 Rotating electrical machines—Efficiency classes (IE code)—Part 1:Line operated AC motors GB/Z 156-2025 Good practice for dynamic light scattering(DLS) measurements

Adopt standards

IEC 60947-4-1:2018

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