Features: This energy meter features an LCD backlight digital display, showing electricity consumption, voltage, current, and power in rotation. It operates at AC220V/50Hz, with a 5A-80A current, 17000W power, 1000imp/kwh pulse output, and a pulse output indicator. It mounts on a 35mm DIN rail with a 17.5mm pole width, supporting Up-out and Down-in / Up-in and Down-out wiring for easy installation. Utilizing microelectronics and digital processing technology, it accurately and reliably measures electrical energy. Large-scale integrated circuits and precision SMT technology provide excellent electromagnetic interference resistance and stable performance. Specifications: Material: Plastic Model: DDM15SD Accuracy: Class One Reference Voltage: 220V/50Hz Reference Current: 5-80A Display: LCD backlight digital display Installation: 35mm DIN rail Pole Width: 17.5mm Wiring Method: Up-out and Down-in / Up-in and Down-out Power: 17000W Ambient Temperature: -20~+50 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 does not have a reset function. Package List: 1 * Energy Meter