KPM10 Three phase multifunction digital power meter

KPM10 Three phase multifunction digital power meter


KPM10 three-phase multifunction digital power meter was designed using advanced 32-bit ARM processor and digital signal processing technology. Intergate of three-phase electrical parameter measurement / display, power accumulation, fault alarm, harmonic measurement, digital inputs, relays Output and network communications in one. Standard 72 panel, large screen LCD screen, standard 1-way RS485 communication interface. With high precision, strong isolation, stable performance, anti-interference ability etc.



140x140
  • Three phase panel digital power meter
  • Full electrical parameter measurement: UL-L, UL-N, I, F, PF, P, Q, S, four-quadrant energy, etc.
  • High accuracy: U Class 0.2; I Class 0.2
  • High accuracyP Class 0.2S; Active energy Class 0.5S
140x140
  • Power quality analysis: 2-21st harmonic analysis; I/U Total distortion rate;
  • Power quality analysis: Crest coefficient; Valley coefficient;
  • Power quality analysis: Current imbalance rate Yi;Voltage imbalance rate Yv
140x140
  • Record function: Meter working time, load time statics
  • Communication:RS485/Modbus-RTU
  • Multi rate: Total 4 tariffs for 8 different time slots
140x140
  • Optional function: 2 digital inputs
  • Optional function: 2 digital outputs

Working power source

Operating Voltage

AC 85-265V/ DC 80-300V

Rated power consumption

< 3VA

Input voltage

Rated voltage

57.7/100V,220/380V

Overvoltage capability

1.2 times rated voltage allowed, continuous work;

2 times the rated voltage allowed 10s 

Rated power consumption

<0.5VA(per phase)

Measurement range

LN:50~260VAC

Input current

Rated current

Default 5A, input range 1-6A; optional 1A, input range 1-1.2A

Overload capacity

1.2 times rated current allowed, continuous work;

20 times the rated current allowed 1s

Rated power consumption

<0.75VA/phase(5A); <0.45VA/phase(1A)

Measurement range

5A:0~6A;  1A:0~1.2A

Power quality monitor

Harmonic measurement

Voltage/current 2-21st harmonic distortion rate,

Harmonic distortion rate

Phase voltage, phase current

Imbalance rate

Voltage, current

Measurement accuracy

Voltage

±0.2%(0.01V)

Current

±0.2%(0.01A)

Active power

±0.5%(0.01W)

Reactive power

±2.0%(0.01var)

Power factor

±0.5%(0.01)

Frequency

±0.02(0.01Hz)

Active energy

±0.5S(0.1kwh)

Reactive energy

±2.0%(0.1kvarh)

Communication

communication port

RS485,Photoelectric isolation interface

Communication protocol

Modbus-RTU, 1200-38400BPS

DI & DO

Switch value input

2-way passive main line contact DI input, internal supply DC24V power supply

Relay output

2-Way DO output, contact capacity 250VAC / 5A, 30VDC / 5A

Working environment

Operating temperature

-25℃ ~ +70℃

Storage temperature

-30℃ ~ +75℃

Relative humidity

5% ~ 95% No condensation

Altitude

Not more than 4000m

Electrical

insulation

Dielectric strength

Power frequency voltage AC 2kV, working time 1 min

Insulation resistance

>50MΩ

Impact voltage

5kV (Peak),1.2/50us

Electromagnetic Compatibility

Electrostatic discharge immunity

IEC61000-4-3, level 4

Fast pulse group immunity

IEC61000-4-4, level 4

Surge immunity

IEC61000-4-5, level 4

Power frequency magnetic field immunity

IEC61000-4-8, level 4


KPM10RK Low-voltage three-phase three-wire typical wiring diagram

 

KPM10RK Low-voltage three-phase three-wire typical wiring diagram

 

 
KPM10 specification Jan 01,70
KPM10 User manual Jan 01,70

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