Features: Energy meter with LCD backlight digital display, alternately showing electricity consumption, voltage, current, and power. Rated voltage AC220V/50Hz, current range 5A-80A, maximum power 17000W, with 1000imp/kWh pulse output and pulse indicator. 35mm DIN Rail mounting; 17.5mm pole width; supports both top and bottom wiring configurations for easy installation. Utilizes microelectronics and digital processing technology for accurate and reliable electric energy measurement. Equipped with large-scale integrated circuits and precision SMT technology, offering strong electromagnetic interference resistance and stable performance. Specifications: Material: Plastic Model: DDM15S Accuracy: Class 1 Reference Voltage: 220V/50Hz Reference Current: 5-80A Display: LCD Backlight Digital Display Installation: 35mm DIN Rail Pole Width: 17.5mm Wiring Method: Top and Bottom In/Out configurations supported Power Capacity: 17000W Operating Temperature: -20°C to +50°C Item Size: approx. 7.8 x 3.7 x 6.6cm / 3.1 x 1.5 x 2.6in Item Weight: 200g / 7.1oz Package Size: 8 x 7 x 4cm / 3.1 x 2.8 x 1.6in Package Weight: 300g / 10.6oz Note: This energy meter does not have a reset function. Package List: 1 x Energy Meter