PROFIBUS-PA, IP67 junction box, 4-channel, Entity and FISCO compliant according to IEC 60079-11, Junction box for wall mounting with PVC cable glands M20 x 1.5, Integrated terminating resistor (activatable), Cable shielding: Capacitive or direct connection to housing potential selectable via switch, Isolated support terminal for optional protective conductor incorporated in cable, Powder-coated die-cast aluminium housing, Pressure compensation element protects against condensation, Connection of the housing potential via M5 x 1 bolt