The device is a portable power distribution box, commonly used for stage lighting, audio, and large-screen LED display systems at live events and industrial sites. It is designed to manage and safely distribute three-phase electrical power to multiple circuits.The box features a large red 5-pin CEE industrial input connector on the front panel. This type of connector is typically rated for 63 Amp (or potentially higher, such as 125 Amp) service at 380V-415V AC, providing three-phase power (L1, L2, L3) plus Neutral (N) and Earth (E).