KPM53 Three Phase Smart Digital Power Meter

The KPM53 three-phase intelligent digital power meter is a high-performance intelligent device that integrates three-phase electrical parameter measurement, real-time display, power statistics, and power quality analysis. The meter offers flexible expansion capabilities, enabling external switch status monitoring and 4-20mA analog output.

Features

Standardized panel design: 96×96mm panel size allows for easy installation and replacement without additional modifications.
Comprehensive power monitoring: Accurately measures three-phase voltage, current, power, power factor, frequency, as well as four-quadrant energy and 2nd-31st harmonics, providing real-time visibility into power status.
Diverse communication interfaces: Standard RS485 Modbus RTU interface, with optional second Modbus RTU or Profibus-DP interface for easy integration into various intelligent systems.
Expandable functions: Supports two digital inputs, two digital outputs, and one temperature input to meet diverse monitoring and control needs.
Wide voltage adaptability: With a measurement range of up to 380V/660V, it is suitable for various industrial and residential power systems with reliable performance.

Functions of KPM53 Three Phase Smart Digital Power Meter

Monthly average power factor and power data for the last three months.
Electrical parameters maximum and minimum data.
Meter working time, load time statics.

KPM53 Three Phase Smart Digital Power Meter

KPM53 Three Phase Smart Digital Power Meter Technical Specification

Working power source	Operating Voltage	AC 85-265V/ DC 80-310V
Working power source	Rated power consumption	< 3VA
Input voltage	Rated voltage	57.7/100V,220/380V,380/660V
	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， LL：90~450VAC
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	U/I 2-31^st 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%（0.001）
	Frequency	±0.02 (0.01Hz)
	Active energy	±0.5%（0.1kwh）
	Reactive energy	±2.0%（0.1kvarh）
	Temperature	±1℃（1℃）
Communication	communication port	RS485，Photoelectric isolation interface
Communication	Communication protocol	Modbus-RTU, 1200-38400BPS Profibus-DP，9600-12Mbps
DI & DO	Digital 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
	Analog output	Output range 4-20mA, overload 1.2 times
	Temperature input	Temperature range 0-100℃
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

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