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Wsi 390

advanced smart energy meter

Key Features

•High-precision measurement

•Multiple anti-tamper design

•Real-Time Status Monitorin

•Supports multiple communication modes including RS485, RS232, Ethernet, adhesive infrared and 4G.

•Comprehensive Measurement Data

•International Standard Protocol

•Firmware upgrade

Wsi 390

     Voltage

    3x57.7V/100V-3x277V/480V
     Current    1(2)A,5(10)A, 1(10)A
     Frequency    50Hz/60Hz+5%
     Start voltage

    60%Un

     Start current

    0.1%lb

     Accuracy level    Active: class 0.1S, 0.2S

    Reactive: class 0.5S, 2

     Working voltage range    70%Un ~ 120%Un
     Power consumption

    ≤2W, 10VA

     Design life    ≥ 16 years
     Working temperature range    (-40°C ~+70°C)
     Transportation and storage temperature    (-45°C -+85°C)
    Waterproof and dustproof grade

    IP54

    Insulation protection grade

    Leve II

    Clock error grade

    ≤0.35 sec/day

    Pulse constant   10000imp/kWh

   10000imp/kvarh

     Auxiliary power supply voltage range    50V~265V
    Size    290mmx 170mm×80mm
    Weight    2.15 kg



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