Phoenix Contact 1884788 The contact insert is designed for use in various applications, including VARIOCON products, and features a VC3 design with 50 available positions. The conductor cross sections range from 0.14 mm2 to 1.5 mm2 and are rated for a maximum of 10 A current. The connection method uses crimp connections with socket types, but connectors can only be connected or disconnected when there is no load applied.