GB/T 21706-2008 Active National standards

GB/T 21706-2008 Modular terminal combination electrical equipment

Publish Date: 2008-04-24 Implement Date: 2008-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 21706-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Low-voltage distribution electrical equipment

ICS Name: Comprehensive Electrical Devices

Publish Date: 2008-04-24

Implement Date: 2008-12-01

Pages: 18 pages

Scope

This standard applies to various predetermined-use combination appliances with an AC frequency of 50 Hz or 60 Hz and a rated voltage of up to 400 V, where the rated current of the incoming line switch does not exceed 125 A. The purpose of this standard is to stipulate the usage conditions, structural and performance requirements, test methods and inspection rules, product marking, and other aspects of the most commonly used modularized terminal combination appliances (hereinafter referred to as combination appliances). These combination appliances can be used for user power distribution and line overload, short-circuit, residual current, and overvoltage protection.

Development Information

Word Count: 31 Thousand words Pages: 18 pages

Referenced Standards

GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 2423.4-1993 Basic environmental testing procedures for electric and electronic products—Test Db:Damp heat, cyclic GB/T 2900.18-2008 Electrotechnical terminology—Low voltage apparatus GB/T 4207-2003 Method for determining the comparative and the proof tracking indices of solid insulating materials under moist conditions GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 5169.10-2006 Fire hazard testing for electric and electronic products—Part 10:Glow/hot-wire based test methods—Glow-wire apparatus and common test procedure GB/T 5169.11-2006 Fire hazard testing for electric and electronic products—Part 11:Glowing/hot-wire based test methods—Glow-wire flammability test method for end-products GB 14048.1-2006 Low-voltage switchgear and controlgear—Part 1:General rules GB/T 19334-2003 Dimension of low-voltage switchgear and control gear—Standardized mounting on rails for mechanical support of electrical devices in switchgear and control gear installations

Related Standards

GB 17466-1998 Replaced

GB 17466-1998 General requirements for enclosures for accessories for household and similar fixed electrical installations

Publish Date: 1998-08-17

GB/T 14048.1-2000 Replaced

GB/T 14048.1-2000 Low-voltage switchgear and controlgear—General rules

Publish Date: 2000-10-17

GB/T 13539.6-2002 Replaced

GB/T 13539.6-2002 Low-voltage fuses Part 2:Supplementary requirements for fuses by authorized persons(fuses mainly for industrial application)—Sections 1 to 5:Examples of standardized fuses

Publish Date: 2002-08-05

GB 14048.1-2006 Replaced

GB 14048.1-2006 Low-voltage switchgear and controlgear—Part 1:General rules

Publish Date: 2006-04-30

GB/T 20645-2006 Replaced

GB/T 20645-2006 Specific environmental condition—Technical requirements of low-voltage apparatuses for plateau

Publish Date: 2006-11-08

GB/Z 21713-2008 Active

GB/Z 21713-2008 Characteristics of surges in low-voltage(1 000 V and less)AC power circuits

Publish Date: 2008-04-24