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GB/T 7268-2015: Series of basic dimensions of sub-racks and associated plug-in units panels for protection and automation equipment of power system
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 7268-2015	English	209	Add to Cart	3 days [Need to translate]	Series of basic dimensions of sub-racks and associated plug-in units panels for protection and automation equipment of power system
GB/T 7268-2005	English	319	Add to Cart	3 days [Need to translate]	The secondary circuit of the power system control and protection devices sub-racks and plug-in panel size
GB/T 7268-1987	English	199	Add to Cart	2 days [Need to translate]	Series of basic dimensions of subracks and associated panels of plug-in units for control and protective equipment of secondary circuit of power system

GB/T 7268-2015: Series of basic dimensions of sub-racks and associated plug-in units panels for protection and automation equipment of power system

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Series of basic dimensions of subracks and associated plug-in units panels for protection and automation equipment of power system ICS 31.240 K05 National Standards of People's Republic of China Replacing GB/T 7268-2005 Power system protection and automation devices with plug and box Plug-panel series of basic dimensions Issued on. 2015-05-15 2015-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 19in subracks and plug-in panel basic dimensions Series 1 4.1 plug-in box dimensions Series 1 4.2 plug-in panel 2 Series of basic dimensions 5 height of 20mm hex plug and plug-in panel box basic size series 3 5.1 plug-in box basic size series 3 5.2 plug-in panel 5 Series of basic dimensions 6 overall size of the panel and backplane series (mainly referring to 19in subrack) 5 7 plug-in box size and plug-in panels dimensional tolerances Series 5 7.1 Dimensional tolerances 5 7.2 Geometric Tolerance 6 FIG. 1 is inserted box size element 1 FIG. 2 is inserted box mounting hole element 2 Figure 3 widget panel size Element 3 Figure 4 is inserted box size Element 3 Figure 5 is inserted box panel sizes feature 4 6 standard slot form and dimensions 4 Table 1 is inserted box height and width directions of the Dimension Series 2 Table 2 subracks panel width direction dimension Series 4 Table 3 is inserted box panel height dimension Series 4

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 7268-2005 "secondary circuit of power system control and protection devices with plug and plug-in panel box basic dimensions Department Column. " This standard compared with GB/T 7268-2005, the main changes are. --- Standard name changed to "power system protection and automation devices with plug and plug-in panel box basic size series"; --- 5.1.2 increase notch detail; --- Table 3, 0-6 to 0-10; --- 6.2 overall panel width to b and back \u003cn2×5.08。 The standard proposed by China Electrical Equipment Industrial Association. This standard by the national measuring relays and protection equipment Standardization Technical Committee (SAC/TC154) centralized. This standard was drafted. XJ Electric Co., Ltd., Beijing Sifang Automation Co., Ltd., Xuchang Cape Electric Research Hospital, Nanjing NARI-RELAYS Electric Co., Guodian Nanjing Automation Co., Ltd., State Grid Electric Power Research Institute, Dongfang Electronics shares have Limited, Harbin Electric Group Co., Ltd. Cheng relay. Drafters of this standard. Ganxiong Tao, Jiang crown before, Meng Hui, Yin Donghai, Wu Bei, including Kwan, Zhang Yu, Lu Wanyuan, Hu Yunhua, Chen Zhen, a Deng Zhuo, Zhang Yanting, Guo-Jie Li. This standard replaces the standards previously issued as follows. --- GB/T 7268-1987, GB/T 7268-2005. Power system protection and automation devices with plug and box Plug-panel series of basic dimensions

1 Scope

This standard specifies the power system protection and automation devices with basic dimensions of subracks and plug-in panel series. This standard applies to power system protection, automatic safety devices and interface devices. Including 20mm hex and 19in two kinds specification.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 1184-1996 shape and position tolerances without individual tolerance value GB/T 1800.1-2009 Geometrical product specifications (GPS) limits and fits - Part 1. Tolerances, deviations and fits basis GB/T 3047.1-1995 height of 20mm hex panels, rack and cabinets Series of basic dimensions GB/T 8582-2008 term structural mechanical electrical and electronic equipment

3 Terms and Definitions

Terms and definitions GB/T 8582-2008 defined apply to this document. 4 19in subracks and plug-in panels Series of basic dimensions 4.1 plug-in box size series 4.1.1 plug-in box the size of each element in Figure 1. FIG. 1 is inserted box size elements ...