Phoenix Contact 3076029 The protective conductor terminal block is designed for installation with a nominal voltage of 400 V and a maximum current capacity of 24 A. The connection method involves screwing into place at three different levels (1st, 2nd, and 3rd) to secure the rated cross-section, which ranges from 0.2 mm² to 4 mm², depending on the mounting type, specifically NS 35/7.5 or NS 35/15, and characterized by a gray color.