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

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

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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

Pages: 100 pages

Scope

This document applies to semiconductor controllers, starters, and soft starters used for motors connected to circuits with a rated voltage not exceeding 1,000 V AC, which may include a series-connected mechanical switchgear.
This document specifies the characteristics of semiconductor controllers and starters for motors, with or without bypass switchgear, during use.

Development Information

Word Count: 160 Thousand words Pages: 100 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 14048.10-2025 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

GB/T 14048.6-2016 Low-voltage switchgear and controlgear—Part 4-2:Contactors and motor-starters—AC semiconductor motor controllers and starters(including soft-starters)

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 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