Phoenix Contact 1821070 The panel feed-through terminal block features four positions for connecting conductors and has a load current capacity of up to 41 amps. The cross-sectional area of the conductors it can handle ranges from 2.5 square millimeters to 16 square millimeters. When making connections, the device offers two methods: push-lock and push-in spring connection, with a specific orientation requirement that ensures the conductor is inserted at a 0-degree angle.