It is equipped with metering and instrument display functions, and internally fitted with a main isolation switch HD11F-1000/3P. It is divided into two 380V 400A circuits (each with one air switch and one leakage protector), six 380V 250A circuits (each with one air switch and one leakage protector), and one 220V 100A circuit (with one air switch and one leakage protector). This product is applied in construction sites where the construction power consumption capacity is within 400KW, with a cabinet size of 9001800500 (unit: mm, default for electrical cabinet dimensions).