practical series 2-72 way distribution board,metal enclosure,power box,power distribution Features: 1)Elegant model,unique and good-looking 2)Easy to install adjustable structure,flexible and spacious layout of the wiring inb line with modern building design requirement 3)Materials: Panel:cold-rolled metal,metal frame.AS plastic cover. bottom box/base box:import cold-rolled steel plate by plastic coating 4)the metal bridge which fix the circuit breaker can be moved up and down,easy for installing the circuit breaker 5)56-72 way,4 rows.flush mounted box ,or surface mounted box 6)dimension:414843100mm,389818100mm