Energy Analyzer & Web Data Manager with Wi-Fi communication via external antenna cod. PFC3530 (included). Accuracy class 0.5S and single harmonics up to the 51st order. Can only be used with external ECT CTs (not included in the package) example cod. PFAE000-01 or PFAE000-02 or PFAE000-03. Network bridge between the RJ45 port and the RS485 port for modbus communication with other Electrex instruments in the subnet and related storage. Including the following upgrades: n. 1 PFSU940-01 Log 8 and PFSU940-05 Web. Perennial, battery-powered clock and non-volatile memory. Remote firmware update. LCD graphic display. 2 calibration LEDs. ExpBus for external devices (inputs and outputs, environmental sensors). NFC connectivity. DIN rail size 6 modules. Power supply 85 ÷ 265Vac. Complies with EN 50470-1 + EN 50470-3.