IP67 Han® 3A Based Data Connectors and Panel Receptacles. Metal and plastic bodied RJ45 data connectors and panel receptacles utilising the proven Harting Han® 3A housing which provide a Proven and reliable secure connection. An optional coding pin set enables dedicated connectivity between connector and panel receptacle. Features ; Benefits. Cable sheath diameter 6.5 mm to 6.9mm. Minimum 750 mating cycles