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GB/T 22764.3-2008 English PDF

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GB/T 22764.3-2008: Cabinets for low-voltage switchgear -- Part 3: Environment and climate
Status: Valid
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GB/T 22764.3-2008English189 Add to Cart 3 days [Need to translate] Cabinets for low-voltage switchgear -- Part 3: Environment and climate Valid GB/T 22764.3-2008

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Basic data

Standard ID GB/T 22764.3-2008 (GB/T22764.3-2008)
Description (Translated English) Cabinets for low-voltage switchgear -- Part 3: Environment and climate
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K05
Classification of International Standard 31.240
Word Count Estimation 8,847
Date of Issue 2008-12-30
Date of Implementation 2009-10-01
Older Standard (superseded by this standard) JB/T 10324-2002; JB/T 6753.1-1993; JB/T 6753.2-1993; JB/T 6753.3-1993; JB/T 6753.4-1993; JB/T 6753.5-1993; JB/T 8678-1998
Regulation (derived from) Announcement of Newly Approved National Standards No. 24 of 2008 (No. 137 overall)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the low voltage cabinet normal use, installation and transport conditions and climate division. This section applies to low voltage cabinet (hereinafter referred to as products).

GB/T 22764.3-2008: Cabinets for low-voltage switchgear -- Part 3: Environment and climate

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Cabinets for low-voltage switchgear Part 3. Environment and climate ICS 31.240 K05 National Standards of People's Republic of China Low-voltage cabinets - Part 3. Environment and Climate Posted 2008-12-30 2009-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 22764 "Low Voltage Cabinet" is divided into five sections. --- Part 1. Generic specification; --- Part 2. Dimensions Series; --- Part 3. environment and climate; --- Part 4. Electrical safety requirements; --- Part 5. Basic test methods. This section GB/T 22764 Part 3. This section should be used with other portions. This part of the electrical and electronic equipment by the National Standardization Technical Committee integrated structure (SAC/TC34) and focal points. This section is responsible for drafting unit. million-controlled Group Co., Ltd., Zhangjiagang City Tianyi Electric Co., Ltd. Complete structure. Participated in the drafting of this section. Wuhan-source structure Electric Co., Zhangjiagang City days more Electric Co., Ltd., Tianjin original cabinet has Limited, the Hong Kong cabinet Jiangsu days Ltd., Jiangsu Tianxiang Electric Co., Ltd., China Zhenhong Electric Co., Ltd. Cixi Qi State Electric Co. Division, Wenzhou City Electric Co., locks and Italy. The main drafters of this section. high Zhong Xi Luo Xuecheng. The drafters of some of the participants. Songzong Xiang, Zhao Jianming, with Shen Zhang, Tang Zhijian, Zhong Jie, Wu Chun Lin, Jiang Guoqing, Pan Zhengdong. Low-voltage cabinets - Part 3. Environment and Climate

1 Scope

This section provides the normal low pressure cabinet, installation and transport conditions and climate division. This section applies to low-voltage cabinet (hereinafter referred to as the product).

2 Normative references

The following documents contain provisions which, through reference GB/T 22764 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 22764.4 low-voltage cabinet Part 4. Electrical safety requirements 3 normal use, installation, transportation and storage conditions 3.1 normal conditions of use 3.1.1 General provisions Meet GB/T 22764.4 specified product should be able to run under the following conditions. Non-standard conditions by manufacturers and users to determine the agreement, but these agreements can not be specified and GB/T 22764.4 contrary. 3.1.2 ambient air temperature Maximum ambient air temperature should not exceed + 40 ℃, and its average temperature within 24h shall not exceed + 35 ℃. Ambient air temperature limit shall not be less than -5 ℃. NOTE. For use in the ambient air temperature is higher than + 40 ℃ (for example in the forging workshop, boiler room, in tropical regions) or below -5 ℃ (for example, -25 ℃), should root According to the relevant product standard (if applicable) or designed and used according to the manufacturer and user agreement. Manufacturer information given by suppliers (such as samples) Data can replace the agreement. 3.1.3 Altitude The installation site altitude shall not exceed 2000m. NOTE. For altitudes above 2000m for the product, we need to take into account the air cooling effect. Under the conditions described above for the product should be run according to the manufacturer, and User agreement designed or used. 3.1.4 Humidity The maximum temperature is + 40 ℃, the relative humidity of air no more than 50% at a lower temperature allows a higher relative humidity, For example, 90% at 20 ℃. Due to condensation temperature to produce the occasional special measures should be taken. 3.2 Installation Products should be the manufacturer's installation instructions. 3.3 Transport and storage conditions If the product transport and storage conditions, such as temperature and humidity, unlike the conditions specified in 3.1, manufacturers and users should reach a Special agreement. Unless otherwise specified, the following applies to transport and storage temperature range. -25 ℃ ~ + 55 ℃, short time (24h within) can Up to + 70 ℃.

4 climate divide

4.1 General When the climate impact of the use of the product significantly during this chapter apply.

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