Phoenix Contact 3031432 The terminal block features a double-level spring-cage design with a nominal voltage of 500 V and a maximum current capacity of 30 A. Connections can be made using the spring-cage method on both levels. The rated cross-sectional area is 4 mm2, while available areas range from 0.08 to 6 mm2 for selection. Mounting options include NS 35/7,5 and NS 35/15 types, and the block is colored blue.