Features: Energy meter with LCD backlit digital display, shows current 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. Uses microelectronics and digital processing technology for accurate and reliable measurement of electrical energy. Integrated circuits with high capacity 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 * 6.6 cm / 3.1 * 1.5 * 2.6 inches Weight: 200g / 7.1oz Package size: 8 * 7 * 4 cm / 3.1 * 2.8 * 1.6 inches Package weight: 300g Note: This energy meter does not have a reset function. Packing list: 1 * Energy meter