KPM53 3-phase power meter

KPM53 series of three-phase smart power meter with accurate measurement of power parameters, the instrument uses advanced ARM processor and digital signal processing technology designed from the set of three-phase electrical parameters.
Overview Function Specifications Wiring Diagram Download
    KPM53 series of three-phase smart power meter with accurate measurement of power parameters, the instrument uses advanced ARM processor and digital signal processing technology designed from the set of three-phase electrical parameters measurement, display, power statistics, power quality analysis, digital input / Output and network communications in one; with high precision, strong isolation, stable performance, anti-interference ability and a little; the instrument also has a very strong expansion capabilities, such as monitoring of external switching action, 4-20mA analog output, but also The network management of the instrument can be realized through RS-485 / Modbus communication protocol.

Application occasion

□ Alternative analog pointer table.
□ Display and control of electrical parameters in mid-low voltage distribution System.
□ Collect energy consumption data that cost center analysis needs.
□ Green building or DC.

Function features
□ Measuring three-phase AC voltage, current, voltage / current unbalance rate, four-quadrant power, active / reactive power, power factor, frequency, maximum / minimum.
□ Voltage to current ratio programmable.
□ Working hours, load time statistics.
□ Support up to 31th harmonic calculation.
□ 1 –way RS485 communication interface, Modbus protocol.
□ Can be extended 2-way passive switch value input.
□ Can be extended 2-way relay output.
□ Can be extended 1-way 4-20mA analog output.
□ 1 road passive optical coupler collector active pulse output.
□ Can be extended 1-way PT100 temperature input.
□ Excellent temperature characteristics and work stability.
□ FSTN large screen LCD, bright LED backlight uniform display, in the bright light and large viewing angle environment to obtain a good visual effect.

KPM53Multifunction meter-Technical parameters
 Working power source Operating Voltage AC85~265V/DC80~300V
  Rated power <3VA
Input voltage Rated voltage 220V
  Sill value 5V
  Overload capacity 1.2 times rated voltage allowed, continuous work; 2 times the rated voltage allowed 1second
  Power consumption <0.5VA/phase(rated)
  Measurement range 5~260VAC,
  Frequency range 45~65Hz
Input current Rated current Default 5A,Input range 1-6A;Optional 1A,Input range 1-1.2A
  Sill value 5A Configuration,5mA;1A Configuration,0.8mA
  Overload capacity 1.2 times rated current allowed, continuous work; 20 times the rated current allowed 1 second
  Power consumption <0.75VA/phase(Rated current 5A);<0.25VA/phase(Rated current 1A)
  Frequency range 45~65Hz
Input/Output Switch value input 2-way passive main line contact DI input, internal supply DC24V power source
  Relay output 2-way DO output,Contact capacity 250VAC/5A,30VDC/5A
  Analog output Output range 4~20mA,overload allows 1.2times
  Temperature input Measure range 0℃~100℃
Power quality monitor Harmonic measurement Voltage/current2~31th harmonic distortion rate、total harmonic distortion rate.
  Harmonic distortion rate Phase voltage, line voltage
  Imbalance rate Voltage. current
Measurement accuracy Voltage ±0.2%(0.01V)
  Current ±0.2%(0.01A)
  Active power ±0.5%(0.1W)
  Reactive power ±2.0%(0.1kvar)
  Active energy ±0.5%(0.1kWh)
  Reactive energy ±2.0%(0.1kvarh)
  Power factor ±0.5%(0.001)
  Frequency ±0.02Hz(0.01Hz)
  Temperature ±1℃(1℃)
Communication Communication interface RS485,Photoelectric isolation interface
  Communication protocol Modbus-RTU,1200~38400bps
Electrical insulatio Power frequency withstand voltage AC2kV/min~1mA Input-output-power source (GB/T 13729)
  Insulation resistance >50MΩ                            (GB/T 13729)
  Impact voltage 5kV(Peak),1.2/50us    (GB/T 13729)
Working environment Operating temperature -25℃ ~ +70℃
  Relative humidity 5%~95% No condensation
  Storage temperature -30℃ ~ +75℃
   Altitude No more than 4000m
Electromagnetic Compatibility Surge (impact) immunity GB/T 17626.5-2008,Level4
  Electrical fast burst immunity GB/T 17626.4-2008,Level4
  Electrostatic discharge immunity GB/T 17626.2-2006,Level4
  Power frequency magnetic field immunity GB/T 17626.8-2006,Level4

1. The wiring diagram is suitable for high voltage three-phase three-wire system, low voltage three-phase four-wire system, regard to other system wiring please refer to KPM53 instruction manual.
2. Analog output AO- and switch input common COM share one terminal.
3. Terminal that without function description is invalid.
4. The function of dotted lines is optional.
5. The final interpretation belongs to Compere.