Phoenix Contact 2900395 A railway-specific PLC-Interface features a compact terminal block with push-in connections and a built-in miniature solid-state relay. The device's size accommodates a range of 0.7 to 1.25 units long, while its operating temperature spans from -25°C to +70°C. It includes one N/O contact as the primary output feature, supporting both DC power input at 96V and output voltage ranging from 12-140V, with an accompanying current capacity of up to 3A.