kWh meter for 3 phase 4 wire system DIN rail mounted 220V 380V3-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.It's a simple three phase four module DIN rail meter with flame retardant ABS case, which is widely used in sub-metering system. It's of concise appearance, compact size and good quality, durable to use.Specifications:Display: 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: -20~55 CelsiusStorage Temperature: -25~70 CelsiusColour:TransparentMaterial:Flame-retardant ABS+metalSize:100 x 76 x 65mmPackage Contents:1 * 3 Phase 4 Wire Energy MeterFor different batches, the symbol on the product may be different from the picture, which does not affect the useOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.