Huawei Power Meter DTSU666-HW/YDS60-80

Power grid type 3P4W/3P3W Input voltage (line voltage) 90 ~ 500 Vac Power consumption ≤ 1.5 W Measurement Range Line voltage 90 Vac ~ 1000 Vac (> 500 with external PT 1) Phase voltage 52~577 Vac Current 0 ~ 80 A(>80 with external CT 2) Measurement Accuracy Voltage / Current ±0.5 % Power / Energy ±1 % Frequency ±0.01 Hz Communication Interface RS485 Baud rate 4800/9600/19200/115200 (Default 9600bps) Communication protocol Modbus-RTU Environment Operating temperature range -25 ℃ ~ 60 ℃ Storage temperature range -40 ℃ ~ 70 ℃ Operating humidity 5 %RH ~ 95 %RH (non-condensing) Others Accessories RS485 Cable (10 m / 33 ft.