About this product: 1. Energy meter with LCD digital display, shows electricity consumption, voltage, current, and power in turn. 2. Voltage AC220V/50Hz, current 5A-80A, power 17000W, pulse output 1000imp/kwh, and with pulse output indicator. 3. 35mm DIN rail mounting; 17.5mm pole width; Supports top-out and bottom-in / top-in and bottom-out wiring methods, easy to install. 4. Uses microelectronics and digital processing technology to measure electrical energy, accurate and reliable. 5. Large-scale integrated circuits and precision SMT technology, with good electromagnetic interference resistance and stable performance. Specifications: Material: Plastic. Model: DDM15SC. Accuracy: Class One. Reference voltage: 220V / 50Hz. Reference current: 5-80A. Display: LCD digital display. Installation: 35mm DIN rail. Pole width: 17.5mm. Wiring method: Top-out and bottom-in / Top-in and bottom-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.