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. With 6+2 digits backlight LCD display, the meter accurately counts and clearly displays energy consumption. Adopts 35mm DIN standard guide rail installation; compact size and light weight make installation easier. Pure copper wiring terminal with excellent conductivity and corrosion resistance ensures stable performance under high current for extended periods. This is a simple three-phase four-module DIN rail meter with flame retardant ABS case, widely used in sub-metering systems. Features a concise appearance, compact size, and reliable quality for durable 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: 0.004A Working Temperature: -20C to 55C Storage Temperature: -25C to 70C Color: Transparent Material: Flame-retardant ABS + metal Size: 100 x 76 x 65mm Package Contents: 1 x 3 Phase 4 Wire Energy Meter Note: The symbol on the product may vary between batches but does not affect functionality. The package includes only the items listed above. Lighting and display differences may cause slight variations in color compared to the actual product. Measurement error allowance: +/- 1-3cm.