Its a simple three phase four module DIN rail meter with flame retardant ABS case, which is widely used in sub-metering system. Its of concise appearance, compact size and good quality, durable to use.Features: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/ cold resistance, insulativity and durability.With 6+2 digits backlight LCD display, the meter accurately counts and clearly displays the 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 can ensure large current during long-time performance.Note: Size and color may be slightly different due to manual measurement and different lighting conditions. Thanks for understanding.Specifications:Case Color: Transparent/ White (Optional)Material: Flame Retardant ABSDisplay: LCD Display with BacklightCurrent: 3x5(80)AVoltage: 3x220/380VAccuracy Class: 1.0Standard: IEC62053-21Frequency: 50/ 60HzImpulse Constant: 400imp/kWhPower Consumption: 2WStarting Current: 0.004lbWorking Temperature: -20~55Storage Temperature: -25~70Item Size: 100 * 76 * 65mm / inItem Weight: 380g / 13.40ozPackage Size: 110 * 80 * 70mm / inPackage Weight: 400g / 14.11ozPackage List:1 * Energy Meter1 * User Manual Have a great time shopping!