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Microcomputer Protection

KPM83

Smart Energy Management

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T@Energy Management

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Energy Management Software

CPZ8000P Power Distribution

CPZ8000N Billing

CPZ8000M Motor Control

Multifunction power meter

KPM10 3-phase power meter

KPM73 Multifunction power meter

KPM75 Power quality analyzer

KPM53 3-phase power meter

KPM51 1-phase power meter

KPM33 3-phase rail energy meter

Motor Protector

KPM60 Motor Controller

Communication Server

KPM200 Gateway

Tel：
0086-371-8618 1681
Fax：
0086-371-6789 0037
Technical support：
0086-17324808909
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0086-18838136262

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KPM31 1-phase rail energy meter

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~~Overview~~ ~~Function~~ ~~Specifications~~ ~~Wiring Diagram~~ ~~Download~~

KPM31 single-phase rail smart meter in full compliance with the national standard GB / T7215-2008 and the international standard IEC62053: 2003 on the 0.5S-class energy meter of the relevant technical requirements, it use microelectronic technology and imported large-scale integrated circuits, it also application digital sampling Processing technology and SMT technology and other advanced technology , it can be directly and accurately measure the rated frequency of 50 / 60Hz AC active power, it use LCD7 + 1 bit LCD display, with high reliability, small size, easy installation and so on.

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.

Example: KPM 31A-1.5（6）:Rated AC220V /1.5A(Max 6A), basic type multi-rate energy statistics, historical energy statistics single-phase guideway type smart meter.

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1 road passive optical coupler collector active pulse output.
口1 –way RS485 communication interface, Modbus communication.
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Application of large-capacity magnetic retention relay，Load on-off control.

KPM31Multifunction meter-Technical parameters
Input voltage	Rated voltage	AC 110V/220V
	Overall power consumption	＜5VA/
	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

~~Online inquiry~~ ~~KPM31 1-phase rail energy meter~~ *As part of the mandatory option