GB/T 22764.2-2008 English PDF

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GB/T 22764.2-2008: Cabinets for low-voltage switchgear -- Part 2: Series of dimensions
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22764.2-2008	279	Add to Cart	3 days	Cabinets for low-voltage switchgear -- Part 2: Series of dimensions	Valid

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Basic data

Standard ID: GB/T 22764.2-2008 (GB/T22764.2-2008)
Description (Translated English): Cabinets for low-voltage switchgear -- Part 2: Series of dimensions
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K05
Classification of International Standard: 31.240
Word Count Estimation: 12,133
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Older Standard (superseded by this standard): JB/T 10324-2002; JB/T 6753.1-1993; JB/T 6753.2-1993; JB/T 6753.3-1993; JB/T 6753.4-1993; JB/T 6753.5-1993; JB/T 8678-1998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 modulus select the basic information, modulus and coordination sequence and sample size of the cabinet. Note: In general, the size refers to the basic parameters without involving or gap for manufacturing tolerances. This Part applies to low-voltage cabinets.

GB/T 22764.2-2008: Cabinets for low-voltage switchgear -- Part 2: Series of dimensions

---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 2. Series of dimensions ICS 31.240 K05 National Standards of People's Republic of China Low-voltage cabinets - Part 2. Dimensions Series 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 2. 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 Electric Co., Ltd.-day Vietnam. Participated in the drafting of this section. Wuhan-source structure Electric Co., Ltd. Tianjin original cabinet, Jiangsu Tianxiang Electric Co. Secretary, China Zhen Hong Electric Co., Ltd. Jiangsu Hong Kong-day cabinet, Zhangjiagang City Tianyi Electric Co., Ltd. Complete construction, Cixi odd country Electric Co., Ltd., Wenzhou City Electric Co., Ltd. and Italy locks. The main drafters of this section. high Zhong Xi, Zhao Jianming. The drafters of some of the participants. Song Zongxiang, with Shen Zhang, Zhong Jie Wu Cun-lin, Tang Zhijian, Luo Xuecheng, Jiang Guoqing, Pan Zhengdong. Low-voltage cabinets - Part 2. Dimensions Series

1 Scope

This section provides basic information modulus and low voltage cabinet selection, sequence and sample rack modulus size and coordination. Note. In general, the size refers to the basic parameters, without involving a gap or for manufacturing tolerances. Part applies to low-voltage cabinet.

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 3100 International System of Units and Its Application (GB 3100-1993, eqv ISO 1000.1992) GB 3101 general principles relating to amounts, units and symbols (GB 3101-1993, eqv ISO 31-0.1992) GB/T 19520.2 electronic equipment mechanical structure 482.6mm (19in) series of mechanical structure size - Part 2. Cabinets and machine Frame structure of grid spacing (GB/T 19520.2-2007, IEC 60297-2. 1982, IDT) IEC Guide 103 size coordination guidelines Basic information of the selected module 3 3.1 General Choose low-voltage cabinet modulus on the grounds that it related to the size and engineering applications (such as components, equipment, rooms, buildings, etc.) mechanical interface compatible. It also includes information about the interface design and advanced technology and other technical fields of. This rule can be obtained Technical and economic benefits. Modulus in the length sequence SI unit basis, in line with GB 3100 and GB 3101 metric units. 3.2 Coordination with the size of the adjacent art Based on the principle of coordination dimensions. a) low-voltage cabinet most important external interfaces. --- Building room facilities, such as doors, elevators, floor tiles and ceilings; --- Packaging and transportation, such as trucks, ships and aircraft containers and packaging; --- A combination of various equipment and facilities, such as power transmission and distribution equipment, power, industrial process equipment. b) low-voltage cabinet most important internal interfaces. --- Connectors, electromechanical components; --- Devices or equipment; --- Wire and cable; --- Fixed or withdrawable functional units and so on. c) When it is determined any system equipment cabinet, you should consider one of the many interfaces. For these interfaces, as appropriate to achieve the coordination dimension FIELD size and compatible means adjacent. d) To determine the size of the public interface of the relevant coordination, it is recommended to consider before ISO and IEC publication, Table 1, listed in the table 25mm modulus based. ......

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