Phoenix Contact 1852846 The contact insert is designed for a specific range of applications and specifications, including VARIOCON color light gray, featuring two positions, conductor cross-sections ranging from 0.25 to 4 mm2, and rated voltages and currents of up to 400 volts and 20 amps. This connector requires screw connection and has a socket-style contact connection, with the addition that it can only be connected or disconnected when there is no load applied.