GB/T 7268-2015Series of basic dimensions of subracks and associated plug-in units panels for protection and automation equipment of power system (English PDF)
电力系统保护及其自动化装置用插箱及插件面板基本尺寸系列
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 15, 2015
Implementation date
December 1, 2015
Scope
GB/T 7268-2015 is the English-translated version of 电力系统保护及其自动化装置用插箱及插件面板基本尺寸系列.
GB/T 7268-2015 is the Chinese standard "Series of basic dimensions of subracks and associated plug-in units panels for protection and automation equipment of power system".
Its scope clause reads: 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. Its clauses include terms and definitions.
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Document preview — GB/T 7268-2015
National Standard of the People's Republic of China
- ICS
- 31.240
- Classification
- K 05
- Replacing
- GB/T 7268-2005
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 19in subracks and plug-in panel basic dimensions Series
- 4.1 plug-in box dimensions Series
- 4.2 plug-in panel 2 Series of basic dimensions
- 5 height of 20mm hex plug and plug-in panel box basic size series
- 5.1 plug-in box basic size series
- 5.2 plug-in panel 5 Series of basic dimensions
- 6 overall size of the panel and backplane series (mainly referring to 19in subrack)
- 7 plug-in box size and plug-in panels dimensional tolerances Series
- 7.1 Dimensional tolerances
- 7.2 Geometric Tolerance
- 6 standard slot form and 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 […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of GB/T 7268
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 7268-2015 | Series of basic dimensions of subracks and associated plug-in units panels for protection and automation equipment of power system | current edition | Current |
| GB/T 7268-2005 | Series of basic dimensions of subracks and associated plug-in units panels for protection and automation equipment of power system | previous edition | Superseded |
This page sells the current edition, GB/T 7268-2015. Earlier editions are listed for reference only.
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