Phoenix Contact 1329673 The feed-through terminal block has a nominal voltage of 1000 V and can handle a current of up to 76 A with two connections at one position using a Push-X-connection method. The rated cross-section is 16 mm2, but it can also accommodate smaller and larger cross-sections between 2.5 mm2 to 25 mm2. It comes in different mounting types including NS 35/7,5 and NS 35/15, with a standard color of blue.