Phoenix Contact 3273878 A basic terminal block distribution block features supply and nominal voltage of 450 V, along with a maximum current of 32 A. It has 13 connections available, utilizing push-in connections for load contacts and line contacts, as well as varying cross-sections ranging from 0.2 mm² to 6 mm². The rated cross-sections vary between 10 mm² and 0.5 mm², with mounting options including snapping onto a DIN rail adapter, direct mounting with flange, free-hanging, and a standard gray color.