Features: Energy meter with LCD backlit digital display, displays electricity consumption, voltage, current, and power in sequence. 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. Adopts microelectronics and numerical processing technology to measure electrical energy accurately and reliably. Large capacity integrated circuits and precision SMT technology, with good resistance to electromagnetic interference and stable performance. Specifications: Material: Plastic Model: DDM15SD Accuracy: First class Reference Voltage: 220V/50Hz Reference Current: 5-80A Display: Backlit LCD Digital Display Installation: 35mm DIN rail Pole Width: 17.5mm Wiring Method: Up and Down/Up and Down 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 Note: This energy meter does not have the reset function. Package List: 1 * Energy Meter