NPM60 Series

    Microcomputer Measurement and Control Protection Equipment

    Intelligent Energy Saving Safe Comprehensive

    Widely used in commercial buildings, residential compounds and infrastructures to realize intelligent control and management.

    PRODUCT OVERVIEW

    NPM60 series microcomputer measurement and control protection equipment adopts microprocessor with highly integrated chip and maintenance-free design, and has good anti-interference performance; it has the functions of phase-to-phase instantaneous current protection, overload current protection, overvoltage protection, low voltage protection, zero sequence overvoltage protection, reclosing protection, timing zero sequence overcurrent protection, inverse-time zero sequence overcurrent protection, low-voltage zero sequence protection, transformer body protection and non-electrical power tripping protection. It is widely used in the fields of industry, commerce, residence and infrastructure, etc., to protect the circuits and equipment.

    PRODUCT CHARACTERITICS

    Intelligent display

    Automatic screen lighting by infrared sensor;Primary main wiring diagram Switch position;Measurement of real-time value and other information

    Reliable design

    Industrial-grade components Professional anti-electromagnetic interference

    High-performance processing

    Adopts high-performance processor;Superior information storage capacity;Fast operation speed

    Diversified communication modes

    Supports dual Ethernet Dual RS485 communication interfaces

    General protection

    General protection can be adjusted according to the specific electricity environment on the site

    High-precision measurement

    Adopts frequency tracking technology to eliminate calculation deviation caused by fundamental frequency fluctuations, and accurately calculates fundamental frequency components, harmonic components and sequence components.

    Electromagnetic compatibility characteristics

    Anti-electromagnetic interference: EMC test

    Professional anti-electromagnetic interference design ensures the reliability of the device.

    Technical Parameters

    Parameter type Indicators
    Power supply Voltage range DC24V~AC/DC 265V
    Frequency range 40Hz~60Hz
    Maximum power consumption 10W
    Power drop 200ms
    Control power supply Rated voltage AC/DC 220V (110V should be specified when ordering)
    Overload capacity Continues operation at 60%-120%Un
    AC current circuit Rated current 5A (1A should be specified when ordering)
    Power consumption <0.5VA
    AC voltage circuit Rated voltage 100/√3V
    Power consumption <0.5VA
    Environmental characteristics Operating temperature -20℃~+65℃
    Storage temperature -40℃~+80℃
    humidity 95%
    Mechanical strength Vibration resistance GB7261-2016-12.1 Class I
    Impluse resistance GB7261-2016-12.2 Class I
    Earthquake GB7261-2016-12.3 Class I
    Insulation class Industrial frequency dielectric withstand capability 2.5kV/50Hz,1 min
    1.2/50μs Impulse wave 5kV
    Measurement and metering accuracy Current/Voltage ±0.2%
    Phase angle ±0.5°
    Power factor ±0.2%
    Frequency ±0.01Hz
    DC flow ±1%
    Power ±0.5%
    Kilowatt-hour ±0.5%
    Selection table

    NMP60 G L Y 2 1 5 M
    Product code Protection category Type of protection Anti-tripping Power supply Input voltage Input current Additional functions
    NPM60:
    Microcomputer measurement and control protection device
    G:General protection
    P: PT protection
    B:Standby Self-input protection
    D:Differential protection
    N:Non-electrical protection
    C:Public measurement and control
    F:Anti-islanding
    H:Low frequency and low voltage
    L:Line protection
    T:Transformer
    M: Motor protection
    C:Capacitor protection
    B:Busbar protection
    R:Backup protection
    X:PT parallel and harmonic elimination
    E:None
    Y: Supported
    N: Not supported
    2: AC/DC 220V
    1: DC110V
    4: DC48V
    3: DC24V
    1: 100V
    3: 380V
    0:No voltage input
    5: 5A 1:1A
    0:No current input
    M:Analog output

    Note: Transformer differential protection measurement and control device should be used in paired with transformer backup protection measurement and control device.

    Technical Parameters


    • Power supply

      Voltage range:DC24V~AC/DC265V

      Frequency range:40Hz~60Hz

      Maximum power consumption:10W

      Power drop:200ms

      Control power supply

      Rated voltage:AC/DC 220V (110V should be specified when ordering)

      Overload capacity:Continues operation at 60%-120%Un

      AC current circuit

      Rated current:5A(1A should be specified when ordering)

      Power consumption:<0.5VA

      AC voltage circuit

      Rated voltage:100/√3V

      Power consumption:<0.5VA

      Environmental characteristics

      Operating temperature:-20°C~+65°C

      Storage temperature:-40°C~+80°C

      Humidity:95%

      Mechanical strength

      Vibration resistance :GB7261-2016-12.1 Class I

      Impluse resistance:GB7261-2016-12.2 Class I

      Earthquake:GB7261-2016-12.3 Class I

      Insulation class

      Industrial frequency dielectric withstand capability:2.5kV/50Hz,1 min

      1.2/50us Impulse wave:5kV

      Measurement and metering accuracy

      Current/Voltage:±0.2%

      Phase angle:±0.5°

      Power factor:±0.2%

      Frequency:±0.01Hz

      DC flow:±1%

      Power:±0.5%

      Kilowatt-hour:±0.5%

    Selection table


    • Product code :NPM60:Microcomputer measurement and control protection device

      Protection category:G:General protection、P:PT protection、B:Standby Self-input protection、D:Differential protection、N:Non-electrical protection、C:Public measurement and control、F:Anti-islanding、H:Low frequency and low voltage

      Type of protection:L:Line protection、T:Transformer 、M: Motor protection、C:Capacitor protection、B:Busbar protection、R:Backup protection、X:PT parallel and harmonic elimination、E:None

      Anti-tripping:Y: Supported 、N:no addtional functionAnti-tripping

      Power supply:2:AC/DC220V、1:DC110V、4:DC48V、3:DC24V

      Input voltage:1:100V、3:380V、0:No voltage input

      Input current:5:5A、1:1A、0:No current input

      Additional features:M:Analog output

    Note: Transformer differential protection measurement and control device should be used in paired with transformer backup protection measurement and control device.

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