Features: Energy meter with LCD digital display, takes turns showing electricity consumption, voltage, current and power. AC220V/50Hz voltage, 5A-80A current, 17000W power, 1000imp/kwh pulse output 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. Adopt microelectronics and digital processing technology to measure electric energy, accurate and reliable. Large scale integrated circuits and precision SMT technology, with good electromagnetic interference resistance and stable performance. Specifications: Material: Plastic Model: DDM15SC Accuracy: First Grade Reference Voltage: 220V/50Hz Reference Current: 5-80A Display: LCD Digital Display Installation: 35mm DIN Rail Pole Width: 17.5mm Wiring Method: Up-out and Down-in/ Up-in and Down-out Power: 17000W Environment Temperature: -20celsius~+50celsius Item Size: approx. 7.8 * 3.7 * 6.6cm/ 3.1 * 1.5 * 2.6in Item Weight: 200g/ 7.1oz Package Size: 8 * 7 * 4cm/ 3.1 * 2.8 * 1.6in Package Weight: 300g/ 10.6oz Note: This energy meter doesn't has the reset function. Package List: 1 * Energy Meter