This is a simple three-phase four-module DIN rail meter with flame-retardant ABS housing, which is widely used in sub-metering systems. It is concise in appearance, compact in size and good in quality, durable to use. Features: 1.The high-precision three-phase 4-wire energy meter is designed for measuring single-phase AC active electricity at rated frequency 50 or 60Hz. 2.High-quality flame-retardant ABS housing, with good impact resistance, heat/cold resistance, insulativity and durability. 3.With 6+2 digits backlit LCD display, the meter counts accurately and displays energy consumption clearly. 4.Adopts 35mm DIN standard guide rail installation, compact in size and light in weight make installation easier. 5.Pure copper wiring terminal with excellent conductivity and corrosion resistance can ensure high current for long-lasting performance. Note: Size and color may be slightly different due to manual measurement and different lighting conditions. Thanks for your understanding. Specifications: Case Color: Transparent/White (Optional) Material: Flame Retardant ABS Display: LCD Display with Backlight Current: 3x5(80)A Voltage: 3x220/380V Accuracy Class: 1.0 Standard: IEC62053-21 Frequency: 50/60Hz Pulse Constant: 400 imp/kWh Power Consumption: 2W Starting Current: 0.004lb Working Temperature: -20~55 Storage Temperature: -25~70 Item Size: 100*76*65mm/in Item Weight: 380g/13.40oz Package Size: 110*80*70mm/in Package Weight: 400g/14.11oz Package List: 1 * Meter 1 * User Manual