Phoenix Contact 3100063 The thermoelectric voltage terminal block pair is a TC type K device with specifications including a nominal voltage of 400 V and a nominal current capacity of 1 A. It features four connections and can be configured in two positions, secured through a screw connection at one level. The cross-sectional area ranges from 0.2 mm² to 4 mm² and is compatible with various mounting types, including NS 35/7.5, NS 35/15, and NS 32. The terminal block has a gray color.