Phoenix Contact 3004168 For a test disconnect terminal block, use marking material with 8.2 mm pitch and follow specific voltage (800 V) and current (6.3 A) guidelines for connections, which involve screw connections with rated cross sections ranging from 1 mm² to 4 mm², suitable mounting options include NS 35/7.5, NS 35/15, and NS 32, and the terminals should be colored orange.