Energy meter with LCD backlight digital display, alternately displays electricity consumption, voltage, current and power. Voltage AC220V/50Hz, current 5A-80A, power 17000W, pulse output 1000imp/kwh and with pulse output indicator. 35mm DIN rail mounting; 17.5mm pole width; supports up-out and down-in / up-in and down-out wiring method, easy to install. Uses microelectronics and digital processing technology to measure electrical energy accurately and reliably. Large-scale integrated circuits and precision SMT technology, with good electromagnetic interference resistance and stable performance. Model: DDM15SD Reference voltage: 220V/50Hz Reference current: 5-80A Installation: 35mm DIN rail Pole width: 17.5mm Wiring method: Up and Down Power: 17000W Ambient temperature: -20℃~+50℃ Item size: Approx. 7.8*3.7*6.6cm/3.1*1.5*2.6in Note: This energy meter does not have the reset function.