GB/T 14048.16-2025 Active National standards

GB/T 14048.16-2025 Low-voltage switchgear and controlgear—Part 8:Control units for built-in thermal protection(PTC) forrotating electrical machines

Publish Date: 2025-12-31 Implement Date: 2026-07-01 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 14048.16-2025

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: 2025-12-31

Implement Date: 2026-07-01

Pages: 40 pages

Scope

This document specifies the requirements for control units, which control switching devices based on changes in PTC thermistors in rotating electric motors and industrial applications.
This document stipulates the requirements for such systems, including PTC thermistors with specific characteristics and their associated control units.

Development Information

Word Count: 63 Thousand words Pages: 40 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 14048.12-2025 Low-voltage switchgear and controlgear—Part 4-3:Contactors and motor-starters—Semiconductor controllers and semiconductor contactors for non-motor loads GB/T 14048.25-2025 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 14048.16-2016 Low-voltage switchgear and controlgear—Part 8:Control units for built-in thermal protection(PTC) forrotating electrical machines

Referenced Standards

GB/T 2423.5-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.5-2019 Environmental testing—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.10-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Fc and guidance:Vibration (Sinusoidal) GB/T 2423.10-2008 Environmental testing for electric and electronic products—Part 2:Tests methods Test Fc:Vibration(sinusoidal) GB/T 2423.10-2019 Environmental testing—Part 2:Tests methods—Test Fc:Vibration(sinusoidal) 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 5465.2-1996 Graphical symbols for use on electrical equipment GB/T 5465.2-2008 Graphical symbols for use on electrical equipment—Part 2:Graphical symbols GB/T 5465.2-2023 Graphical symbols for use on electrical equipment—Part 2:Graphical symbols GB/T 14048.1-2023 Low-voltage switchgear and controlgear—Part 1:General rules 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 17045-2020 Protection against electric shock—Common aspects for installations and equipment IEC 60445 IEC 60730-1 IEC 60738-1 IEC 60738-1-4:2008

Adopt standards

IEC 60947-8:2021

Related Standards

GB 7251.2-1997 Replaced

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GB/T 11022-1999 Replaced

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GB/T 18858.1-2002 Replaced

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Publish Date: 2002-10-08

GB/T 18858.3-2002 Replaced

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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

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Publish Date: 2003-09-10