This is a simple three-phase four-module DIN rail meter with flame retardant ABS enclosure, widely used in sub-metering systems. It is concise in appearance, compact in size and of good quality, durable to use. Features :The high accuracy 3-phase 4-wire energy meter is designed for measurement of single-phase AC active electricity at rated frequency 50 or 60 Hz.High quality flame retardant ABS casing, with good impact resistance, heat/cold resistance, insulativity and durability.With a 6+2 digit backlit LCD display, the meter accurately counts and displays power consumption clearly.Adopts 35mm DIN standard guide rail installation, compact size and light weight reduces installation.Pure copper wiring terminal with excellent conductivity and corrosion resistance can ensure high current for long time performance. Note: Size and color may be slightly different due to manual measurement and different lighting conditions. Thank you for your understanding.Features :Housing color: transparent/white (optional) Flame retardant ABS Display: LCD display with backlight Current:Voltage 3x5(80)A: 3x220/380V Accuracy class:Standard 1.0: IEC62053-21 Frequency: 50/60 Hz Pulse constant: 400 pulses/kWh Power consumption: 2W Starting current: 0.004 lbs 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 Package List:1 * Energy Meter 1 * User Manual