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 guide 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. This three-phase four-wire DIN rail meter with flame retardant ABS housing is widely used in sub-metering systems. It has a simple, sleek design, compact dimensions, and durable construction for long-term use. 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: 0.004In 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: For different production batches, the product markings may vary slightly from the images shown, but this does not affect functionality. The package includes only the items listed. Other accessories are not included. Due to lighting and display differences, the actual color of the item may vary slightly from the image. Measurement tolerances allow for a margin of error of +/- 1-3cm.