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Gregory Abramov
Gregory Abramov

How DIN 72551 Standard Improves the Quality and Safety of Vehicle Cables


What is DIN 72551 Standard and Why You Need It




If you are involved in the automotive industry, you may have heard of DIN 72551 standard. But what is it exactly and why do you need it? In this article, we will explain everything you need to know about DIN 72551 standard and how to download it online.




din 72551 standard download pdf


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DIN 72551 standard is a German standard that specifies the characteristics and requirements for low-tension single-core cables used in road vehicles. It covers the classification, identification, specifications, testing, and inspection of wires and cables for automotive wiring. It also provides guidance on the installation, maintenance, and repair of wires and cables.


DIN 72551 standard is important because it ensures the safety, reliability, performance, and durability of electrical connections in vehicles. It also helps you comply with international regulations and standards for automotive wiring. By following DIN 72551 standard, you can avoid potential hazards, faults, failures, and damages caused by poor quality or incompatible wires and cables.


The Benefits of DIN 72551 Standard for Automotive Wiring




Improved safety and reliability of electrical connections




One of the main benefits of DIN 72551 standard is that it improves the safety and reliability of electrical connections in vehicles. By specifying the characteristics and requirements for wires and cables, it ensures that they can withstand the various environmental conditions, mechanical stresses, electrical loads, and chemical influences that they may encounter in vehicles. It also ensures that they have adequate insulation, resistance, conductivity, flexibility, and durability to prevent short circuits, overheating, corrosion, abrasion, breakage, or degradation.


Enhanced performance and durability of wires and cables




Another benefit of DIN 72551 standard is that it enhances the performance and durability of wires and cables in vehicles. By specifying the specifications and requirements for wires and cables, it ensures that they can deliver the optimal current, voltage, frequency, signal, or data transmission that they are designed for. It also ensures that they can last longer and function properly without losing their efficiency or quality over time.


Compliance with international regulations and standards




A third benefit of DIN 72551 standard is that it helps you comply with international regulations and standards for automotive wiring. By following DIN 72551 standard, you can ensure that your wires and cables meet the minimum requirements for safety, performance, quality, compatibility, interoperability, or conformity that are set by various authorities or organizations around the world. This can help you avoid legal issues, penalties, fines, or sanctions that may arise from non-compliance.


The Main Features of DIN 72551 Standard for Automotive Wiring




The classification and identification of wires and cables




One of the main features of DIN 72551 standard is that it provides a clear and consistent system for the classification and identification of wires and cables for automotive wiring. It defines six types of wires and cables based on their temperature range, voltage rating, cross-sectional area, insulation material, color code, or marking. These are:


  • Type A: Single-core PVC insulated cable with a temperature range of -40C to +85C



  • Type B: Single-core PVC insulated cable with a temperature range of -40C to +105C



  • Type C: Single-core PVC insulated cable with a temperature range of -40C to +125C



  • Type D: Single-core cross-linked polyolefin insulated cable with a temperature range of -40C to +125C



  • Type E: Single-core cross-linked polyolefin insulated cable with a temperature range of -40C to +150C



  • Type F: Single-core fluorinated polymer insulated cable with a temperature range of -40C to +200C



It also provides a standardized system for the color code or marking of wires and cables based on their function or circuit. For example:


  • Black: Ground or negative terminal



  • Brown: Tail light or parking light



  • Red: Battery positive terminal or ignition switch



  • Green: Turn signal or indicator light



  • Blue: High beam or headlight



  • Yellow: Low beam or headlight



  • White: Reverse light or backup light



  • Purple: Brake light or stop light



  • Orange: Hazard warning light or flasher light



  • Pink: Fuel gauge or fuel pump



  • Gray: Speedometer or tachometer



  • Turquoise: Oil pressure gauge or oil pressure switch



  • Violet: Temperature gauge or temperature sensor



  • Lilac: Generator or alternator



  • Slate: Starter motor or starter solenoid



  • Brown/white stripe: Horn or horn relay



  • Green/white stripe: Windshield wiper or windshield washer



  • Blue/white stripe: Radio or antenna



  • Yellow/white stripe: Air conditioner or heater fan



The specifications and requirements for wires and cables




Another main feature of DIN 72551 standard is that it provides detailed specifications and requirements for wires and cables for automotive wiring. It specifies the minimum and maximum values for various parameters such as cross-sectional area, insulation thickness, conductor resistance, insulation resistance, dielectric strength, tensile strength, elongation, bending radius, flammability, or thermal stability. It also specifies the methods and conditions for measuring or testing these parameters.


For example, DIN 72551 standard specifies that the cross-sectional area of wires and cables should be between 0.35 mm2 and 6 mm2, depending on the type and function of the wire or cable. It also specifies that the insulation thickness of wires and cables should be between 0.2 mm and 0.8 mm, depending on the type and temperature range of the wire or cable. It also specifies that the conductor resistance of wires and cables should not exceed 56.5 ohm/km for type A, 54.5 ohm/km for type B, 52 ohm/km for type C, 50 ohm/km for type D, 48 ohm/km for type E, or 46 ohm/km for type F.


The testing and inspection methods for wires and cables




A third main feature of DIN 72551 standard is that it provides standardized testing and inspection methods for wires and cables for automotive wiring. It describes the procedures and equipment for conducting various tests such as dimensional test, electrical test, mechanical test, thermal test, chemical test, or environmental test. It also describes the criteria and limits for accepting or rejecting wires and cables based on the test results.


For example, DIN 72551 standard describes how to conduct a dimensional test by measuring the cross-sectional area, insulation thickness, or outer diameter of wires and cables using a micrometer or a caliper. It also describes how to conduct an electrical test by measuring the conductor resistance, insulation resistance, or dielectric strength of wires and cables using a multimeter or a megger. It also describes how to conduct a mechanical test by measuring the tensile strength, elongation, or bending radius of wires and cables using a tensile tester or a mandrel.


How to Download DIN 72551 Standard PDF Online




The official source of DIN 72551 standard PDF




The best way to download DIN 72551 standard PDF online is to get it from the official source: the German Institute for Standardization (DIN). DIN is the national standards body of Germany that develops and publishes standards for various fields and sectors. DIN 72551 standard is one of the many standards that DIN offers.


To download DIN 72551 standard PDF from DIN, you need to visit their website: https://www.din.de/en. There you can search for DIN 72551 standard by entering its number or title in the search box. You can also browse through their catalog of standards by selecting the category "Electrical engineering" and then "Road vehicles". Once you find DIN 72551 standard in the search results or catalog, you can click on it to see its details such as scope, abstract, status, price, or language. You can also preview some pages of the standard before buying it.


To buy DIN 72551 standard PDF from DIN, you need to register an account with them and provide your personal and payment information. You can choose to pay by credit card, PayPal, bank transfer, or invoice. After you complete your payment, you will receive an email with a link to download DIN 72551 standard PDF. You can also access your purchased standards from your account dashboard.


The alternative sources of DIN 72551 standard PDF




If you cannot or do not want to download DIN 72551 standard PDF from DIN, you can try some alternative sources online. However, you need to be careful and cautious when using these sources as they may not be authorized, updated, accurate, complete, or secure. Some of these sources may also charge you more than DIN or require you to sign up for a subscription or membership.


Some of the alternative sources of DIN 72551 standard PDF online are:


you can click on it to see its details such as scope, abstract, status, price, or language. You can also preview some pages of the standard before buying it.


  • To buy DIN 72551 standard PDF from Standard Online, you need to add it to your cart and proceed to checkout. You can choose to pay by credit card, PayPal, or bank transfer. After you complete your payment, you will receive an email with a link to download DIN 72551 standard PDF. You can also access your purchased standards from your account dashboard.



  • Standard Online's website is: https://www.standard-online.com/en/



  • Document Center: This is another website that sells standards from various organizations such as ISO, IEC, ASTM, ASME, ANSI, BS EN ISO etc. You can search for DIN 72551 standard by entering its number or title in the search box. You can also browse through their catalog of standards by selecting the category "Automotive" and then "Electrical systems and components". Once you find DIN 72551 standard in the search results or catalog, you can click on it to see its details such as scope, abstract, status, price, or language. You can also preview some pages of the standard before buying it.



  • To buy DIN 72551 standard PDF from Document Center, you need to add it to your cart and proceed to checkout. You can choose to pay by credit card, PayPal, or bank transfer. After you complete your payment, you will receive an email with a link to download DIN 72551 standard PDF. You can also access your purchased standards from your account dashboard.



  • Document Center's website is: https://www.document-center.com/



  • PDF Standards: This is yet another website that sells standards from various organizations such as ISO, IEC, ASTM, ASME, ANSI, BS EN ISO etc. You can search for DIN 72551 standard by entering its number or title in the search box. You can also browse through their catalog of standards by selecting the category "Automotive engineering" and then "Electrical engineering". Once you find DIN 72551 standard in the search results or catalog, you can click on it to see its details such as scope, abstract, status, price, or language. You can also preview some pages of the standard before buying it.



  • To buy DIN 72551 standard PDF from PDF Standards, you need to add it to your cart and proceed to checkout. You can choose to pay by credit card or PayPal. After you complete your payment, you will receive an email with a link to download DIN 72551 standard PDF. You can also access your purchased standards from your account dashboard.



  • PDF Standards' website is: https://www.pdfstandards.org/



The tips and precautions for downloading DIN 72551 standard PDF




Whether you download DIN 72551 standard PDF from the official source or the alternative sources online, you need to follow some tips and precautions to ensure a smooth and safe process. Here are some of them:


  • Make sure that you have a stable and secure internet connection before downloading DIN 72551 standard PDF.



  • Make sure that you have enough storage space on your device or computer before downloading DIN 72551 standard PDF.



  • Make sure that you have a compatible software or application that can open and read PDF files before downloading DIN 72551 standard PDF.



  • Make sure that you have a valid and active email address that can receive the link to download DIN 72551 standard PDF.



  • Make sure that you check the details and price of DIN 72551 standard PDF before buying it online.



  • Make sure that you read and agree to the terms and conditions of the website or organization that sells DIN 72551 standard PDF online.



  • Make sure that you use a trusted and secure payment method when buying DIN 72551 standard PDF online.



  • Make sure that you download DIN 72551 standard PDF only from the link that is sent to your email address after completing your payment.



  • Make sure that you save and backup DIN 72551 standard PDF on your device or computer after downloading it.



  • Make sure that you do not share or distribute DIN 72551 standard PDF without permission or authorization from the owner or publisher.



Conclusion




installing, maintaining, repairing, or testing wires and cables for automotive wiring. You can also use it for learning, teaching, researching, or consulting on wires and cables for automotive wiring. However, you need to respect the intellectual property rights and ethical principles of the owner or publisher of the standard. You should not use your DIN 72551 standard PDF for any illegal, fraudulent, harmful, or unauthorized purposes.



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