Phoenix Contact 1583555 The specified contact insert is for use with VARIOCONE articles and features a light gray color. It has six positions, ranging from a minimum conductor cross-section of 0.14 mm2 to a maximum of 1.5 mm2. The rated voltage for this contact insert is 250 volts, while the maximum current it can handle is 10 amperes. Connection is achieved through a screw connection method with pin type contacts. Importantly, connectors must be connected or disconnected only when no load is applied.