Application: The distribution box is situable for mounting the circuit breakers and electric installation devices to distribute power via wiring.Fix with neutral and earth terminal bars and DIN rail,is widely used in low voltage distribution networks for power supplying of consumers ,residential and commercial buildings. Features: 1)size:from 2 way to 80 way 2)metak box,plastic frame 3)color:white box with transparent cover. 4)3 rows. The largest is 4 rows,5 rows. Welcome for OEM cooperation!