Features:_x000D_ 1. 35mm DIN Rail mounting meets the standards of DIN EN50022._x000D_ 2. 17.5mm pole width meets the standards of DIN43880._x000D_ 3. LCD backlight digital display, no reset button, to avoid human manipulation with the data._x000D_ 4. It displays electricity, voltage, current, frequency and power._x000D_ 5. Red LED energy pulse signal._x000D_ 6. Embedded end cover, ensuring power supply safety._x000D_ 7. With the features of good reliability, small size, light weight, beautiful appearance and easy installation._x000D_ 8. Adopt microelectronics and digital processing technology to measure electric energy, accurate and reliable._x000D_ 9. Large scale integrated circuits and precision SMT technology, with good electromagnetic interference resistance and stable performance._x000D_ _x000D_ Specification:_x000D_ Material: Plastic_x000D_ Model: DDM15SD_x000D_ Accuracy: First Grade_x000D_ Reference Voltage: 220V/230V 50/60Hz_x000D_ Reference Current (Max. Current): 5(80)A_x000D_ Insulating Property: 1min 4KV Alternating Voltage, 1.2/50us 6KV Waveform Impulse Voltage_x000D_ Display: LCD Backlight Digital Display_x000D_ Installation: 35mm DIN Rail_x000D_ Wiring Method: Up-out and down-in/up-in and down-out_x000D_ Power: 17000W_x000D_ Environment Temperature: -20~+50_x000D_ Pole Width: 17.5mm/0.7in_x000D_ Functions: Display electricity, voltage, current, frequency, power factors_x000D_ Product Size: Approx. 8 * 3.7 * 6.7cm/3.1 * 1.5 * 2.6in_x000D_ Weight: Approx. 127.8g_x000D_ _x000D_ Package list:_x000D_ 1 * Energy Meter_x000D_ _x000D_ Note: _x000D_ Do NOT has the reset function._x000D_ _x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.