GB/T 20718.2-2025 PDF EnglishUS$215.00 · In stock · Download in 9 seconds
GB/T 20718.2-2025: Road vehicles - Connectors for the electrical connection of towing and towed vehicles (13-pole) - Part 2: 13-pole connectors for vehicles with 12 V nominal supply voltage intended to cross water fords Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 20718.2-2025: Road vehicles - Connectors for the electrical connection of towing and towed vehicles (13-pole) - Part 2: 13-pole connectors for vehicles with 12 V nominal supply voltage intended to cross water fords---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/GBT20718.2-2025 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040.10 CCS T 36 GB/T 20718.2-2025 / ISO 11446-2.2012 Road vehicles - Connectors for the electrical connection of towing and towed vehicles (13-pole) - Part 2.13-pole connectors for vehicles with 12 V nominal supply voltage intended to cross water fords 芯涉水型 (ISO 11446-2.2012, Road vehicles - Connectors for the electrical connection of towing and towed vehicles - Part 2.13-pole connectors for vehicles with 12 V nominal supply voltage intended to cross water fords, IDT) Issued on: FEBRUARY 28, 2025 Implemented on: SEPTEMBER 01, 2025 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 3 Introduction... 5 1 Scope... 6 2 Normative references... 6 3 Terms and definitions... 7 4 Dimensions... 7 5 Application of connectors... 7 5.1 Positions and free space of connectors... 7 5.2 Allocation and marking of contacts... 7 5.3 Terminals... 7 5.4 Connecting cables... 7 6 Tests and requirements... 8 6.1 General requirements... 8 6.2 Water immersion test... 8ForewordThis 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 is Part 2 of GB/T 20718.GB/T 20718 has issued the following parts. - Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 13-pole connector for vehicles with 12 V nominal supply voltage; - Road vehicles - Connectors for the electrical connection of towing and towed vehicles (13-pole) - Part 2.13-pole connectors for vehicles with 12 V nominal supply voltage intended to cross water fords. This document is identical to ISO 11446-2.2012 “Road vehicles - Connectors for the electrical connection of towing and towed vehicles (13-pole) - Part 2.13-pole connectors for vehicles with 12 V nominal supply voltage intended to cross water fords”. This document has made the following minimal editorial changes. - In order to coordinate with the existing standards, the standard name is changed to “Road vehicles - Connectors for the electrical connection of towing and towed vehicles (13-pole) - Part 2.13-pole connectors for vehicles with 12 V nominal supply voltage intended to cross water fords”; - The order of water influence test and water immersion test in 6.2.3 of ISO 11446- 2.2012 is inconsistent with that in 6.1, so the relevant description in 6.2.3 is corrected to keep it consistent with 6.1. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing authority of this document shall not be held responsible for identifying any or all such patent rights. This document was proposed by Ministry of Industry and Information Technology of the People’s Republic of China. This document shall be under the jurisdiction of National Technical Committee of Auto Standardization (SAC/TC 114). Drafting organizations of this document. China National Heavy Duty Truck Group Co., Ltd., Changsha Automotive Electrical Testing Center Co., Ltd., Jaeger Poway Automotive Parts (Shenzhen) Co., Ltd., Beijing Foton Daimler Automobile Co., Ltd., Shaanxi Automobile Group Co., Ltd., Henan Tianhai Auto Electronics Group Co., Ltd., Jinan Youfeng Electronics Co., Ltd. Road vehicles - Connectors for the electrical connection of towing and towed vehicles (13-pole) - Part 2.13-pole connectors for vehicles with 12 V nominal supply voltage intended to cross water fords1 ScopeThis document specifies the dimensions, application, tests, and requirements for 13- pole connectors for the electrical connection of towing and towed vehicles with 12 V nominal supply voltage and intended to cross water fords, as well as the requirements for the park sockets for storing the plug when the plug and socket are disconnected.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 1103 Road vehicles - Coupling balls for caravans and light trailers - Dimensions NOTE. GB/T 25980-2010 Road vehicles - Coupling balls for caravans and light trailers - Dimensions (ISO 1103.2007, IDT) ISO 4091 Road vehicles - Connectors for the electrical connection of towing and towed vehicles - Definitions, tests and requirements NOTE. GB/T 5053.3-2006 Road vehicles - Connectors for the electrical connection of towing and towed vehicles - Definitions, tests and requirements (ISO 4091.2003, IDT) ISO 4141 (all parts) Road vehicles - Multi-core connecting cables NOTE. GB/T 5054.1-2024 Road vehicles - Multi-core connecting cables - Part 1.Test methods and requirements for basic performance sheathed cables (ISO 4141-1.2019, MOD) GB/T 5054.2-2024 Road vehicles - Multi-core connecting cables - Part 2.Test methods and requirements for high performance sheathed cables (ISO 4141-2.2019, IDT) GB/T 5054.3-2024 Road vehicles - Multi-core connecting cables - Part 3.Construction, dimensions and marking of unscreened sheathed low-voltage cables (ISO 4141-3.2019, IDT) GB/T 5054.4-2024 Road vehicles - Multi-core connecting cables - Part 4.Test methods and requirements for coiled cable assemblies (ISO 4141-4.2009, MOD) ISO 11446-1 Road vehicles - Connectors for the electrical connection of towing and towed vehicles - Part 1.13-pole connectors for vehicles with 12 V nominal supply voltage not intended to cross water fords3 Terms and definitionsFor the purpose of this document, the terms and definitions defined in ISO 4091 apply.4 DimensionsThe dimensions of plugs, sockets, and park sockets shall comply with the provisions of ISO 11446-1.Details not specified in this document are left to the discretion of the manufacturer. When the plug and socket are engaged, the contacts shall be floating and shall be able to align with the reference position.5 Application of connectors5.1 Positions and free space of connectors The positions and free space of connectors shall comply with the requirements of ISO 1103 and ISO 11446-1. 5.2 Allocation and marking of contacts The allocation and marking of contacts shall comply with the requirements of ISO 11446-1. 5.3 Terminals The terminals behind the plugs and sockets shall be able to connect wires of the nominal cross-sectional area defined in ISO 11446-1.If the terminals are connected to wires of other cross-sectional areas, it shall be determined by agreement between the manufacturer and the user. 5.4 Connecting cables The connecting cables shall comply with the requirements of ISO 4141 (all parts). ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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