1.1 Structure and appearance (1)The main components of the electric control box include fuse,transformer,current transformer,electric meter,terminal block,etc. (2)The distribution box is a box structure,and the distribution box is made into a front door type,and the board is maintained before the board (3)The top reaches the requirements of IP44 protection grade,and both sides are equipped with hanging angles for easy wall hanging installation. (4)The input and output terminals are provided with permanent marks,requiring easy wiring and easy maintenance. (5)Nameplate:Using flame retardant materials,use black characters on white background,and use red characters on white background for emergency purposes.