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 and commercial buildings. Features: 1)size:4-6 way,7-9 way,10-13 way,14-18 way,16-20 way,20-26 way,28-36 way,32-40 way,42-54 way,48-60 way,56-72 way. 2)metal box,plastic frame with plastic clip,or with light blue transparent clip 3)have surface mounting type and flush mounting type.