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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