Phoenix Contact 2771010 A double-level terminal block features a nominal voltage of 500 V and a nominal current capacity of 24 A, with connections made using screw methods on both levels. The rated cross-sectional area is 2.5 mm², while the acceptable range for other sections is between 0.2 mm² and 4 mm². These terminal blocks are available in three different mounting types: NS 35/7.5, NS 35/15, and NS 32, with a standard color of gray.