KPM33 3-phase rail energy meter

KPM33 three-phase guidway typesmart energy meter with DIN35mm guideway typeinstallationstructure, LCD display, measurement of electrical energy and other electrical parameters,it can setsome parameter, such as the clock,rate period,etc.
Overview Function Specifications Wiring Diagram Download
    KPM33 three-phase guidway type smart energy meter with DIN35mm guideway type installation structure, LCD display, measurement of electrical energy and other electrical parameters, it can set some parameter, such as the clock, rate period, and so on, it also own electrical energy pulse output function; available RS485 communication interface with the host computer Realize data exchange. The energy meter has the advantages of small physical protection, high precision, good reliability and convenient installation, and the performance indexes are in line with the requirements of the national standard GB / T 17215-2002, GB / T17883-1999 and power industry standard DL / T614-2007 The technical requirements for government agencies and large public buildings in the measurement of electrical energy can also be used for enterprises and institutions for energy management assessment.

Application occasion
口Energy and energy efficiency management system
口Internal energy consumption statistical analysis and charging statistics basis
口Energy metering, automatic meter reading system
口Intelligent distribution management system


Basic Functions
口Measurement of three-phase voltage, current, active power, reactive power, apparent power, power factor, frequency, active energy, reactive energy.
口Multi-rate energy statistics, a day can be set up to eight time periods, four kinds of rates.
口Historical power statistics function.
口Rated current optional.
口LED indicates pulse, phase failure, reverse power, communication status.
口1 road passive optical coupler collector active pulse output.
口1 –way RS485 communication interface, Modbus communication, scalable DLT645-2007 protocol.
口7 +1 bit LCD display a variety of power parameters and information.
口Built-in clock and maintenance-free battery, battery capacity real-time monitoring, data is permanently saved after power off.
口35mm standard guideway type installation, beautiful appearance, easy installation.

KPM33Multifunction meter-Technical parameters
Input voltage  Rated voltage AC 3x220V/380V
Overall power consumption <2VA/
Frequency range 45~65Hz
Input current Rated current 1,5(6)A,10(60)A,20(100)A
Frequency range 45~65Hz
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)
Clock  Clock accuracy <0.5S/D
Communication Communication interface RS485,Photoelectric isolation interface
Communication protocol Modbus-RTU,1200~38400bps
 Electrical insulation 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