GB/T 14048.12-2025 Active National standards

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

Publish Date: 2025-10-31 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 14048.12-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Control appliances

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: 80 pages

Scope

本文件适用于将非电动机负载连接至电路的半导体控制器和半导体接触器,其额定电压不超过
1000 V AC。
其涵盖了以下用途:
——用于在导通状态和截止状态之间改变交流电路状态的操作;
——带或不带旁路开关电器;
——作为控制器,用于降低交流电压RMS值的振幅。
本文件不适用于:
——机电接触器(见GB/T 14048.4);
——与半导体控制器和半导体接触器相关的短路保护电器[见GB/T 14048.4(MPSD)]、
GB/T 14048.2和GB/T 14048.3);
——半导体电机控制器或软起动器电器(见GB/T 14048.6);
——半导体变流器[见GB/T 3859(所有部分)];
——固态继电器(见GB/T 36640);
——在爆炸性环境中使用产品[见GB/T 3836(所有部分)];
——软件和固件要求(见GB/Z 41912);
——网络安全方面(见GB/Z 43030)。
半导体控制器和半导体接触器中使用的接触器和控制电路电器被视为符合其相关产品标准

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、浙江正泰电器股份有限公司、上海电器科学研究所(集团)有限公司

Drafting Persons:

贾峰、姜蕾、黄银芳、朱映平、易颖

Word Count: 130 Thousand words Pages: 80 pages

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 14048.16-2025 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

GB/T 14048.12-2016 Low-voltage switchgear and controlgear—Part 4-3:Contactors and motor-starters—AC semiconductor controllers and contactors for non-motor loads

Referenced Standards

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 14048.1-2023 Low-voltage switchgear and controlgear—Part 1:General rules GB/T 17045-2020 Protection against electric shock—Common aspects for installations and equipment IEC 60445 IEC 60715 IEC 60730-1 IEC 60947-4-1 IEC 61000-3-2 IEC 61000-3-3 IEC 61000-3-11 IEC 61000-3-12 IEC 61000-4-5 CISPR 11:2015 CISPR 11:2015/AMD1:2016

Adopt standards

IEC 60947-4-3:2020

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