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GB/T 20138-2023: Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code) Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 20138: Historical versions
Similar standardsGB/T 20138-2023: Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT20138-2023 GB NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA ICS 29.020 CCS K 60 GB/T 20138-2023 / IEC 62262.2021 Replacing GB/T 20138-2006 Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code) (IEC 62262.2021, IDT) Issued on. AUGUST 6, 2023 Implemented on. MARCH 1, 2024 Issued by. State Administration for Market Regulation; Standardization Administration of PRC. Table of ContentsForeword... 3 Introduction... 4 1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 6 4 Marking... 7 5 General test requirements... 8 6 Test to verify the protection against mechanical impacts... 9 7 Test apparatus... 9 References... 10ForewordThis document was drafted in accordance with the provisions of GB/T 1.1-2020 Directives for standardization - Part 1.Rules for the structure and drafting of standardizing documents. This document replaces GB/T 20138-2006 Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code). Compared with GB/T 20138-2006, in addition to structural adjustments and editorial changes, the main technical changes are as follows. -- The scope of the standard is modified (see Chapter 1; see Chapter 1 of the 2006 edition); -- The IK code level IK11 is added (see 4.2); -- The assessment criteria for the test of protection against mechanical impact is added (see 6.5). This document is identical to IEC 62262.2021 Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Technical Committee on Rotating Machinery of Standardization Administration of China (SAC/TC26). Drafting organizations of this document. Shanghai Engineering Research Center for Motor System Energy Saving Co., Ltd., Fengqiu Crane (Zhejiang) Pump Co., Ltd., China Ideal Electric Co., Ltd., Wolong Electric Group Co., Ltd., Shanghai Electrical Apparatus Research Institute Group Co., Ltd., Shanghai Dianke Electric Machine Technology Co., Ltd., Jiamusi Electric Machine Co., Ltd., Nanyang Explosion-proof (Suzhou) Special Equipment Co., Ltd., and Heilongjiang University of Science and Technology. Main drafters of this document. Zhang Xu, Wei Tangyao, Chen Jian, Qi Wenyi, Zhao Xia, Huang Lei, Rao Xuan, Tong Anni and Hu Jing. The previous versions of this document and the documents it replaces are as follows. -- First published in 2006 as GB/T 20138-2006; -- This is the first revision.1 ScopeThis document applies to the classification of protection of the enclosure of electrical equipment with a rated voltage not exceeding 72.5 kV against external mechanical impact.2 Normative referencesThe provisions of the following documents constitute the essential clauses of this document through normative references in this text. Among them, for referenced documents with dates, only the versions corresponding to the dates are applicable to this document; for referenced documents without dates, the latest versions (including all amendments) are applicable to this document. IEC 60068-1 Environmental testing - Part 1.General and guidance NOTE. GB/T 2421-2020 Environmental testing - General and guidance (IEC 60068-1.2013, IDT)3 Terms and definitionsThe following terms and definitions apply to this document. ISO and IEC maintain terminology databases used for standardization at the following addresses. The code indicates the degree of protection provided by the enclosure against external and harmful mechanical impacts.4 MarkingIf the relevant product committee decides to require the IK code to be marked, the marking requirements shall be specified in detail in its relevant product standards. If applicable, the product standard shall also specify the marking method to be used in the following cases.5 General test requirementsUnless otherwise specified in the relevant product standards, all enclosures under test shall be clean, new and complete, and all components shall be installed in place.6 Test to verify the protection against mechanical impactsThe relevant product standards shall specify the assessment criteria for acceptance of the enclosures under test, in particular.7 Test apparatusThe test shall be carried out by using a test apparatus specified in IEC 60068-2-75. The relevant product standard shall specify which types of test apparatus are applicable. References ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. |
