fuse box terminals 1.splice tray can be pulled out 2.cold-rolled steel,aluminum is optional 3.12,24,48core 4.SC ... ,LC 1,cold-rolled steel material , aluminum is optional .2,SC,LC,ST adapters are available.3,12core ... taken out . rack mount distribution boxGPZ-S21materialcold-rolled steel,aluminum is optional 2Capacity12 ,24,48core fuse box terminals GPZ-S2