GB/T 14048.2-2020 Active National standards

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

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

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 14048.2-2020
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Low-voltage distribution electrical equipment
ICS Name: Switch
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: 224 pages

Scope

GB/T 14048的本部分规定了断路器的术语和定义、分类、特性、产品数据和资料、正常工作、安装及运输条件、结构与性能要求和试验。
本部分适用于主触头用来接入额定电压不超过交流1 000 V或直流1 500 V电路中的断路器,由受过专业训练的人员和熟练人员安装和操作。本部分还规定了带熔断器的断路器的补充要求。
额定电压高于交流1 000 V但不超过1 500 V的断路器可按本部分进行试验。
本部分适用于任何额定电流、各种结构型式或各种预定用途的断路器。
用作接地保护的断路器的要求包括在附录B中。
电子式过电流保护断路器的附加要求包括在附录F中。
用于IT系统断路器的附加要求包括在附录H中。
断路器电磁兼容的要求和试验方法包括在附录J中。
无过电流保护的断路器的要求包括在附录L中。
剩余电流装置模块(无内部电流分断装置)的要求包括在附录M中。
断路器附件电磁兼容的要求和试验方法包括在附录N中。
瞬时脱扣断路器(ICB)的要求包括在附录O中。
光伏(PV)系统用直流断路器的要求和试验方法包括在附录P中。
带自动重合闸功能的剩余电流保护断路器的要求和试验方法包括在附录R中。
作为直接起动器用的断路器的补充要求在适用于低压接触器及起动器的GB/T 14048.4中规定。
作为建筑物及类似场所中导线保护用的以及为非熟练人员使用而设计的断路器的要求在GB/T 10963中规定。
设备(例如电气器具)用断路器的要求在GB/T 17701中规定。
对于某些特定用途(例如牵引、轧钢机、船用、变频驱动下游电路和易爆环境使用)的断路器,可做一些必要的特殊规定和补充要求。
注: 本部分涉及的断路器可配备除过电流和欠压以外的在预定条件下能自动断开的装置,例如逆功率或逆电流断开

Development Information

Drafting Units:

上海电器科学研究院、常熟开关制造有限公司(原常熟开关厂)、浙江正泰电器股份有限公司、上海良信电器股份有限公司、江苏大全凯帆开关有限公司、杭州之江开关股份有限公司、环宇集团浙江高科股份有限公司、法泰电器(江苏)股份有限公司、上海电科电器科技有限公司、杭州乾龙电器有限公司、盛道(中国)电气有限公司、上海电器股份有限公司人民电器厂、施耐德电气(中国)有限公司上海分公司、北京ABB低压电器有限公司、三信国际电器上海有限公司、浙江天正电气股份有限公司、常安集团有限公司、江苏辉能电气有限公司、罗格朗低压电器(无锡)有限公司、华通机电股份有限公司、杭州科丰电子股份有限公司、伊顿电气有限公司、浙江人民电器有限公司、苏州西门子电器有限公司、上海电器设备检测所有限公司、中检质技检验检测科学研究院有限公司、德力西电气有限公司、沈阳斯沃电器有限公司、巨邦集团有限公司、温州瑞睿电气有限公司、天津天传电控设备检测有限公司、加西亚电子电器股份有限公司、美高电气科技有限公司、上海精益电器厂有限公司

Drafting Persons:

顾惠民、黄兢业、管瑞良、马世刚、黄银芳、葛飞、戴水东、潘如新、种彪、陈正馨、钟方强、陈正龙、倪小燕、孙海涛、张彦辉、苏邯林、杨红艺、王旭川、张海燕、傅凯、王志勇、刘祖明、王兴阳、包志舟、朱林、崔涛、楼英超、吴建宾、白涛、张凯程、吴起军、张春香、张新雨、陈碎朵、顾德康、陈雪琴

Word Count: 430 Thousand words Pages: 224 pages

Same series standard

Replace the following standards

Referenced Standards

GB/T 13539.1-2015 Low-voltage fuses—Part 1:General requirements GB/T 14048.1-2012 Low-voltage switchgear and controlgear—Part 1:General rules GB/T 16927.4-2014 High voltage and high current test techniques—Part 4: Definitions and requirements for test currents and measuring systems GB/T 16935.1-2008 Insulation coordination for equipment within low-voltage systems—Part 1:Principles,requirements and tests GB/T 17045-2008 Protection against electric shock—Common aspects for installation and equipment GB/T 17626.2-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.3-2016 Electromagnetic compatibility—Testing and measurement techniques—Radiated,radio-frequency,electromagnetic field immunity test GB/T 17626.4-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrical fast transient/burstimmunity test GB/T 17626.5-2019 Electromagnetic compatibility—Testing and measurement techniques—Surge immunity test GB/T 17626.6-2017 Electromagnetic compatibility—Testing and measurement techniques—Immunity to conducted disturbances,induced by radio-frequency fields CISPR 32:2015 GB/T 2423.4-1993 Basic environmental testing procedures for electric and electronic products—Test Db:Damp heat, cyclic GB/T 2423.4-2008 Environmental testing for electric and electronic products—Part 2:Test method—Test Db:Damp heat,cyclic(12 h+12 h cycle) GB/T 2423.22-2002 Environmental testing for electric and electronic products—Part 2:Test methods Test N:Change of temperature GB/T 2423.22-2012 Environmental testing—Part 2:Test methods—Test N:Change of temperature GB/T 3956-1997 Conductors of insulated cables GB/T 3956-2008 Conductors of insulated cables GB 4824-2004 Industrial, scientific and medical(ISM) radio-frequency equipment—Electromagnetic disturbance characteristics—Limits and methods of measurement GB 4824-2013 Industrial,scientific and medical(ISM) radio-frequency equipment—Disturbance characteristics—Limits and methods of measurement GB 4824-2019 Industrial,scientific and medical equipment—Radio-frequency disturbance characteristics—Limits and methods of measurement GB 14048.4-2003 Low-voltage switchgear and controlgear—Electromechanical contactors and motor-starters 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) 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) GB/T 17626.11-1999 Electromagnetic compatibility—Testing and measurement techniques—Voltage dips, short interruptions and voltage variations immunity tests GB/T 17626.11-2008 Electromagnetic compatibility—Testing and measurement techniques—Voltage dips,short interruptions and voltage variations immunity tests GB/T 17626.11-2023 Electromagnetic compatibility—Testing and measurement techniques—Part 11:Voltage dips, short interruptions and voltage variations immunity tests for equipment with input current up to 16 A per phase GB/T 32499-2016 Connecting devices—Devices for the connection of aluminium conductors in clamping units of any material and copper conductors in aluminium bodied clamping units GB 4824-2025 Industrial, scientific and medical equipment—Radio-frequency disturbance characteristics—Limits and methods of measurement

Adopt standards

IEC 60947-2:2019

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