The main function of the LED display screen distribution cabinet is to realize power distribution control, distribute electrical energy to various load parts, and perform power-off protection when short circuits, overloads, and leakage occur in the circuit. Power distribution boxes serve as the fundamental core of any LED display installation, functioning as both the primary power source and the main safety protection system. These crucial components ensure stable operation under various environmental conditions while significantly extending equipment. In today's rapidly developing digital information, LED display screens have the advantages of high brightness, high definition, and rich colors. With the improvement and development of pixel density function in. Therefore, how to scientifically and reasonably configure power facilities to ensure the stable operation of LED displays has become an important issue that every user must face. This article will deeply explore the power demand characteristics of LED display, analyze the role and advantages of. Since LED display screen equipment belongs to transformer-type starting devices, with a large number and high starting current, and all have 220V/50Hz input, for the convenience of on-site safe wiring and to reduce the mutual interference between display units, the distribution system is designed. Multi-function card power distribution cabinet adopts "step-by-step delayed power on" to avoid the instantaneous impact of large loads on the power grid, effectively protect the electronic components of the display body and prolong the service life of the display, with the use of multi-function.