Current Measuring Range = 65 A / Voltage Measuring Range = AC: 230 ... 400 V / Frequency Range Min. Hz = 45 / Frequency Range Max. Hz = 65 / Operating Voltage Min. V = 230 / Operating Voltage Max. V = 400 / Number of Phases = 3 / Mounting Type = DIN Rail Mount / Interface Type = RS485 / Interface Type = MODBUS / Interface Type = M-Bus / Interface Type = Bluetooth / Display Type = LCD / Protection Rating = IP51 / Series = 879