Display	Display method	Dot matrix liquid crystal;Switch between Chinese and English
	Resolution	128*128;
	Backlight	White LED;
	Visible area	72 Shape:38mm*46mm(1.78"/2.3");
		96 Shape:56mm*60mm(2.46"/3.2");
Signal	Electrical network	Three-phase three-wire,three-phase four-wire,see the wiring diagram;
	Frequency	45～65Hz;
	Voltage	Rating:AC 357.7/100V,AC 363.5/110V,AC 3*230/400V,AC
		3*400/690V(96 Shape only);
		Overload:1.2 times the rating(continuous);2x rating/l second;
		Power consumption:<0.5VA(Every way);
	Current	Ratings:AC3x1(1.2)A,AC3x5(6)A;
		Overload:1.2 times the rating(continuous);10x rating/l second;
		Power consumption:<0.5VA(Every way);
Measurement accuracy	Voltage,current	IEC61557-12 0.2%
	Voltage harmonics,	IEC61557-12 1%
	current harmonics
	Frequency	IEC61557-12 ±0.02Hz
	Active power	IEC 61557-120.5%
	Reactive power	IEC 61557-121%
	Active electrical energy	0.5S class GB/T 17215.321-2008<=Cclass GB/T 17215.321.2021

		(0.2Saccuracy when S is selected)
		0.2S class GB/T 17215.321-2008⇔Dclass GB/T 17215.321.2021

		(1 accuracy when using the built-in secondary transformer of the
		instrument)
		lclass GB/T 17215.321-2008 <B class GB/T 17215.321.2021
	Reactive power	IEC 62053-24 Class 1
Power quality	Waves recording	20 wavefoms,10 waves before and after;
(only available
when S is
selected).	Waveform capture	128 cycle points are stored per wavefomm;
Switch input	Dry contact input,buil-in power supply; Response time:les than 300ms

Relay output	Contact type:normally open contact; Contact capacity:AC250V/3ADC 30V/3A;

Energy pulse output	Output mode:photocoupler pulse with open collector;Pulse constant:10000imp/kWh (default);
communication	RS485 interface/Modbus-RTU protocol and DLT645 protocol; RJ45 inte fice (EthernetyModbus-TCP protocol; Wireless interface


power suply	Working range:AC 85V~265V;DC100V~350V Power consumption:power consumption≤15VA;

Safety	Power frequency withstand voltags	The power frequency withstand woltage between the housing and the auxiliary power supply,each input and output termirnal group is AC4kV/lmin; The power frequency withstand voltage between the auxiliary power supply and each input terminal and each output terminal group isAC 2kV/Imin; The power fiequency withstand voltage between the voltage input and other input and ouput termiral blocks is AC2kV/lmin; The power frequency withstand woltage between the curent iput and other input and ouput termiral blocks is AC2kV/lmin; The power frequeney withstand woltage between the relay output and other input and ouput termiral blocks is AC2kV/lmin; The power frequency withstand voltage between the teminal groups of switching input,communication,aralog output and pulse output isAC 1kV/Imin;











	Insuation resistance	Inputs、outputs to the shel>100MΩ;
Electromagnetic compatibility	Complies with IEC 61000 standard(Level 4);

Environment	Operating temperature:-25℃~+70℃:Storage temperature:40℃~+85℃; Relative humidity:≤95%without condensation;Altitude:≤2500m;

Protection Level	Display panel IP54;(Optionally IP65).

Standards	IEC 60068-2-1	Environmental Testing-Part 2-1:Tests TestA:Cold IDA
	IEC 60068-2-2	Environmental Testing Part 2-2:Tests Test B:Dry heat
	IEC 60068-2-30	Environmental Testing Part 2-30:Tests Test Db:Damp heat,cyclie(12+12h)
	IEC61000-4	Electromagnetic compatibility-Testing and measurement techniques
	IEC61557-12	Electrical safety in low voltage distribution systems up to 1000V a.c.and 1
		500V dc -Equipment for testing,measuring or monitoring of protective
		measures —Part12:Performances measuring and monitoring devices(PMD)
	IEC 62053-22	Electricity metering equipment (a.c.-Particular requirements -Part22:Static
		meter for active energy(class 0.2S and 0.5S)
	IEC 62053-24	Electricity metering equipment (a.c.-Particular requirements -Part24:Static
		meter for reactive energy at fundamental frequency(dasses 0.5S IS and 1)

APM520 3-phase Multifunction Power Meter

Features of APM520 3-phase Multifunction Power Meter

Specification of APM520 3-phase Multifunction Power Meter

Display of APM510 3-phase Multifunction Power Meter

Front Panel of APM510 3-phase Multifunction Power Meter

Wiring of APM520 3-phase Multifunction Power Meter

Network

Installation

Applications of APM520 3-phase Multifunction Power Meter