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GB/T 33346-2025 Active National standards

GB/T 33346-2025 Busbar trunking systems(compact insulated busways) for wind power

GB/T 33346-2025 Busbar trunking systems(compact insulated busways) for wind power

Publish Date: 2025-08-01 Implement Date: 2026-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 33346-2025
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: 2025-08-01
Implement Date: 2026-02-01
Pages: 20 pages

Scope

This document specifies the usage conditions, interface characteristics, structural requirements, performance requirements, test verification, routine inspection, nameplates and markings, packaging, transportation, and storage methods for high-density wind power generation conductive rails (hereinafter referred to as "wind power bus ducts").
This document is applicable to wind power bus ducts with a rated voltage of no more than 1,000 V AC and a frequency of 50 Hz or 60 Hz, installed inside wind turbine towers or in the nacelles of wind turbines.

Development Information

Word Count: 27 Thousand words Pages: 20 pages

Replace the following standards

GB/T 33346-2016 Busbar trunking systems(closed insulated busbar) for wind power

Referenced Standards

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 2423.10-1995 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 2423.16-1999 Environmental testing for electric and electronic products—Part 2:Tests methods—Test J and guidance:Mould growth GB/T 2423.16-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test J and guidance:Mold growth GB/T 2423.16-2022 Environmental testing—Part 2:Test methods—Test J and guidance:Mould growth GB/T 2423.17-1993 Basic environmental testing procedures for electric and electronic products Test Ka:Salt mist GB/T 2423.17-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ka:Salt mist GB/T 2423.17-2024 Environmental testing—Part 2:Test methods—Test Ka:Salt mist GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB/T 7251.1-2023 Low-voltage switchgear and controlgear assemblies—Part 1:General rules GB/T 7251.6-2015 Low-voltage switchgear and controlgear assemblies—Part 6:Busbar trunking systems(busways) GB/T 13384-2008 General specifications for packing of mechanical and electrical product

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
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