Features 1. The electricity meter is equipped with a liquid crystal backlit digital display, which can alternately display power consumption, voltage, current, and power. 2. It operates at an alternating current voltage of 220V/50Hz, with a current range of 5A - 80A and a power of 17000W. It has a 1000imp/kwh pulse output and is provided with a pulse output indicator light. 3. It is installed using a 35mm DIN rail, with a pole width of 17.5mm. It supports the wiring methods of top - in bottom - out or bottom - in top - out, making the installation simple. 4. It uses microelectronics and digital processing technology to measure electrical energy, which is accurate and reliable. 5. It employs large - scale integrated circuits and precise SMT technology, having good anti - electromagnetic interference ability and stable performance. Specifications 1. Material: Plastic 2. Model: DDM15SD 3. Accuracy: Class 1 4. Reference voltage: 220V/50Hz 5. Reference current: 5 - 80A 6. Display: Liquid crystal backlit digital display 7. Installation method: 35mm DIN rail 8. Pole width: 17.5mm 9. Wiring method: Top - in bottom - out or bottom - in top - out 10. Power: 17000W 11. Ambient temperature: - 20~ + 50℃ 12. Product size: Approximately 7.8 * 3.7 * 6.6 cm / 3.1 * 1.5 * 2.6 inches 13. Product weight: 200 grams / 7.1 ounces 14. Packaging size: 8 * 7 * 4 cm / 3.1 * 2.8 * 1.6 inches 15. Packaging weight: 300 grams / 10.6 ounces Precautions This electricity meter does not have a reset function. Package List One electricity meter