Phoenix Contact 1884775 The contact insert has a design designated as VC4 and is part of the VARIOCON range, with 65 available positions. It features varying conductor cross-sections between 0.14 mm2 and 1.5 mm2, operates at a rated voltage of 250 volts and can handle a maximum current of 10 A. Crimp connection method is used along with socket contact type, and connectors should only be connected or disconnected when the system is under no load.