This is a simple three-phase four-module DIN rail meter with flame-retardant ABS housing, widely used in sub-metering systems. It is concise in appearance, compact in size and good in quality, durable to use. Features: The three-phase 4-wire energy meter of high precision is designed for measuring single-phase AC active electricity at rated frequency 50 or 60 Hz. High quality flame-retardant ABS housing, with good shock resistance, heat/weather resistance cold, insulativity and durability. With 6+2 digits backlit LCD display, the meter counts accurately and displays energy consumption clearly. Adopts 35 DIN standard guide rail installation mm, compact size and light weight make installation easier. Pure copper wiring terminal with excellent conductivity and corrosion resistance can ensure high current for long time performance. Note: The size and color may be slightly different due to manual measurement and different lighting conditions. Thank you for your understanding. Specifications: Housing Color: Transparent/White (Optional) Material: Flame-retardant ABS Display:?LCD screen with backlight Current:?3x5(80)A Voltage: 3x220/380V Accuracy class?:?1.0 Standard: IEC62053-21 Frequency: 50/60 Hz Pulse constant: 400 imp/kWh Power consumption: 2W Starting current?: 0.004?lb Operating 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