3-phase 4-wire energy meter with high accuracy is designed for the measurement of 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. Features a 6+2 digits backlight LCD display that accurately counts and clearly shows energy consumption. Designed for 35mm DIN standard rail installation; compact size and lightweight for easy installation. Pure copper wiring terminals provide excellent conductivity and corrosion resistance for reliable long-term performance. This three-phase four-wire DIN rail meter with flame-retardant ABS case is widely used in sub-metering systems. Offers a sleek appearance, durable build, and consistent performance. Specifications: Display: LCD with Backlight Current: 3x5(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 Working Temperature: -20°C to 55°C Storage Temperature: -25°C to 70°C Color: Transparent Material: Flame-retardant ABS + metal Dimensions: 100 x 76 x 65mm Package Contents: 1 x 3 Phase 4 Wire Energy Meter Note: Product appearance may vary slightly between batches, but this does not affect functionality. Package includes only the items listed. Display lighting and screen settings may cause slight variations in color representation. Measurement tolerance is +/- 1-3cm.