3-phase 4-wire energy meter with high accuracy designed for measuring rated frequency 50 or 60Hz single-phase AC active electricity. High-quality flame retardant ABS case with good impact resistance, heat and cold resistance, insulation, and durability. Equipped with a 6+2 digit backlit LCD display that accurately counts and clearly shows energy consumption. Features 35mm DIN standard rail installation, compact size, and light weight for easy installation. Pure copper wiring terminals provide excellent conductivity and corrosion resistance, ensuring reliable performance under high current loads over extended periods. Display: LCD with Backlight Current: 3x20(80)A Voltage: 3x220/380V Accuracy Class: 1.0 Standard: IEC62053-21 Frequency: 50/60Hz Impulse Constant: 400imp/kWh Power Consumption: 2W Starting Current: 0.004A Operating Temperature: -20C to 55C Storage Temperature: -25C to 70C Material: ABS Color: Black Package Contents: 1 x Energy Meter DTM024 1 x English Instruction Manual Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting and display settings may cause slight color variations between the product image and actual item. Measurement may vary by +/- 1-3cm due to manual measurement.