Automotive High Voltage Cables with IP67 Characteristics

From a technical perspective, IP is the abbreviation of Ingress Protection. The IPXX standard is a form of expression of safety protection level. It mainly targets the degree of protection of electrical equipment enclosures against foreign matter intrusion. The XX in the IP protection level usually consists of two numbers. The first number represents the level of dustproofing of the equipment and preventing the intrusion of foreign objects; the second number represents the degree of sealing of the equipment against water intrusion, and the larger the number, the higher the level of protection. The better the protective performance.

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The high-voltage wiring harness of electric vehicles is used in a special environment and has certain requirements for dustproof and waterproofing. The IP level is an industrial protection level, which is the dustproof effect. Information provided by the cable manufacturer’s electric vehicle connection solution provider shows that its electric vehicle high-voltage wiring harness plug-in protection level is IP67. What is the concept of IP67 protection level­ The number 6 represents the protection level of solid particles. In simple terms, it is the dust-proof effect. 6 is generally the highest, which is enough to prevent dust from entering. The second number after IP represents the waterproof level. The highest level is 8, which is also the highest protection level in the wiring harness industry. Therefore, IP67 dustproof and waterproof level is actually very high in theory, which means that dust cannot enter from the outside world at all. Waterproof level 7 has also reached a high waterproof level. The specific test test standard is to soak it under one meter of water for 30 minutes. The absence of water in this process means the product is qualified.

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