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    NPD series single phase ammeter

    Product Overview

    The product is used to measure the single-phase current in the power circuit. It is applicable to the power circuit, and automatic control system, and can be installed in many HV and LV fixed cabinet or handcart, and drawer cabinet, and features easy installation, simple wiring, easy maintenance, low workload, and manual setting of panel key input and modifying parameter ratio at site. Complete the networking communications between different PLCs within industry and industrial control computers.

    Product Features

    • The LED digital tube is used to display single-phase current.
    • The standard RS485 interface MODBUS-RTU communication protocol facilitates networking with background.

    Main Technical Parameters

    Performance Parameters
    Display method LED digital display
    Input signal Current Network Single phase
    Rating value AC1A、5A
    Overload 1.2 times for long term overload; 10 times for instantaneous load (5s)
    Power consumption <0.4VA(every phase)
    Impedance <200mΩ
    Accuracy True RMS measurement, accuracy class 0.2
    Measurement display Display LED digital display, and programmable settings
    Operating power Scope of Work AC 220V
    Power consumption ≤5VA
    Extension function Communication Interface RS485, MODBUS-RTU protocol
    Switch interface 2 way DI input/1 way DO output
    Environment Operating Environment -10~60℃ Humidity scope: 5~95% (non-condensing)
    Storage environment -40℃~85℃
    Safety Withstand voltage Among input, output, power supply >2kV
    Insulation Input, output, power supply to shell >100MΩ
    Overall dimensions Frame size 96×48mm,72×72mm,48×48mm
    Opening size 92×44mm,66×66mm,45×45mm
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