Phoenix Contact 1607298 The contact insert set features a range of articles with design VC1 and four positions available, with minimum conductor cross section at 0.2 mm2 and maximum at 4 mm2, designed to operate within a rated voltage of 400V and a maximum current capacity of 20 A. The connection type is pin-based, but connectors should only be connected or disconnected when there is no load on the system.