Why is IP protection level of outdoor LED display screen an important reference index for purchasing outdoor LED display screen? How does this define division? In fact, this is what many friends want to know, the following is the share；
The IP protection grade system for outdoor LED display is drafted by IEC. IP means Ingress Protection, which classifies full-color LED display according to its dust-proof, foreign invasion-proof, waterproof and moisture-proof characteristics. The objects referred to here include tools, human fingers and so on, which can not touch the charged part of the lamp, so as to avoid electric shock.
At present, the industry standard “General Specification for LED Display Screen” requires that the shell protection level of LED display screen should meet the requirements of the national standard “shell protection level (IP code)” GB4208. The indoor LED display screen should not be less than IP20, and the outdoor LED display screen should not be less than IP33. The industry standard “Test Method of LED Display Screen” divides the protection level of the display screen shell into three levels: A, B and C, among which the C level is the most demanding. Indoor A level shall not be less than IP20, B level shall not be less than IP30, C level shall not be less than IP31, outdoor A level shall not be less than IP33, B level shall not be less than IP54, C level shall not be less than IP66.