LCD Backlit Digital Display Energy Meter: Shows electricity consumption, voltage, current, and power sequentially. Voltage: AC220V / 50Hz, Current: 5A-80A, Power: 17000W, Pulse Output: 1000imp / kWh with pulse output indicator. Installation: 35mm DIN rail mounting; 17.5mm pole width; supports up-down and down-up wiring methods, easy to install. Uses microelectronics and digital processing technology for precise and reliable electrical energy measurement. Large-scale integrated circuits and precision SMT technology, with excellent resistance to electromagnetic interference and stable performance. Features: LCD Backlit Digital Display Energy Meter: Shows electricity consumption, voltage, current, and power sequentially. Voltage: AC220V / 50Hz, Current: 5A-80A, Power: 17000W, Pulse Output: 1000imp / kWh with pulse output indicator. Installation: 35mm DIN rail mounting; 17.5mm pole width; supports up-down and down-up wiring methods, easy to install. Material: Plastic Model: DDM15SD Accuracy: First Class Reference Voltage: 220V / 50Hz Reference Current: 5-80A Display: LCD Backlit Digital Display Installation: 35mm DIN Rail Pole Width: 17.5mm Wiring Method: Up-Down / Down-Up Power: 17000W Operating Temperature: -20 ~ +50 Product Size: Approx. 7.8 * 3.7 * 6.6 cm / 3.1 * 1.5 * 2.6 in Product Weight: 200g / 7.1oz Package Size: 8 * 7 * 4cm / 3.1 * 2.8 * 1.6 in Package Weight: 300g Note: This energy meter does not have a reset function. Package Contents: 1 * Energy Meter