The field switch combines the two basic functions: "Ethernet switch" and "Ex i isolator". The field switches are robust and ruggedised for use in the harsh environment of the process industry and, depending on the version, it can be installed in hazardous areas of Zone 1 or Zone 2. It makes fast Ethernet available down to field level and in hazardous areas, which is the only way to make the consistent digitalisation of processing systems a reality. The aplSwitch Field can be installed in Zone 2 and integrates smoothly into existing. Ethernet-APL rail field switch with 24 intrinsically safe Ex ic spur ports and screw terminals with proxy support selectable for PROFIBUS PA field devices Contact us for estimated delivery. The SFP ports provide connections for a choice of optional.