Enclosure Protection Rating: GB/T 4208-2008 Standard Author:LINPIN Update Time:2025-04-26 Source:LINPIN The GB/T 4208-2008 standard is a national standard issued by the Standardization Administration of China, specifying the protection ratings for electrical equipment enclosures, along with the corresponding test methods and performance requirements. According to this standard, enclosure protection ratings are classified into the following 10 levels: IP00: No protection IP01: Protection against vertically falling water drops IP02: Protection against water drops when the enclosure is tilted up to 15° IP03: Protection against spraying water at an angle up to 60° from vertical IP04: Protection against splashing water from any direction IP05: Protection against low-pressure water jets from any direction IP06: Protection against high-pressure water jets from any direction IP07: Protection against temporary immersion in water under specified conditions IP08: Protection against continuous immersion in water under specified pressure IP09K: Protection against high-temperature, high-pressure water jets The purpose of this standard is to ensure the normal operation of electrical equipment in various environments and effectively prevent the ingress of water, dust, sand, gravel, and other foreign objects, thereby enhancing the equipment's service life and safety performance.