Kwh Meter 3 Phase

Product Detail

DSSU666 series three phase three wire electronic energy meter (DIN Rail)

Summary: 

D?SU666 series electronic energy meter is designed for power monitoring and energy measurement such as power system, communication industry, construction industry, etc. to be a new generation of programmable intelligent instrument, integrated with measurement and communication function, mainly used for real-time measurement and display for the electrical parameters such as voltage, current, active power, reactive power, frequency, power factor, energy in the electrical circuit, etc. 




1?Main functions and characteristics

?DIN35mm Standard DIN-Rail, seven modulus with segment LCD display

?Measurement function: Characterized with measurement for three phase three wire voltage, current, frequency, active power, power factor, active energy and reactive energy

?communication function: RS485 communication interface, supporting DL/T645-2007 protocol, customizable for MODBUS-RTU protocol

?Multi-rate function: it supports four rates including top, peak, flat, valley rate.




2?Specification and type selection:

Product  function		Model
		DSSU666	DSSU666-D	DSSU666-F
Voltage    input	Direct    input	AC 3×380V
Current    input	Direct    input	5(80)A
	Via    CT/PT	1.5(6)A
Voltage, current, power, reactive power, frequency, power factor		NO	YES
Energy	Active    energy	YES
	Reactive    energy	YES
	Bidirectional    measurement	NO	YES
	Multi-rate(clock)	NO		YES
Others	Demand	NO		YES
	Power    impulse output	YES
Communication	IR	NO		YES
	RS485	YES
Display    mode	Two    lines 7 segment LCD
Dimension	L×W×H(mm)	126×89×66   7 modulus




Note: RS485 communication is assumed to be DL/T645-2007 protocol, customizable for Modbus-RTU protocol.

 

3?Main technical performance and parameters

Technical parameters	Index
Input signal	voltage	Wiring mode		Three phase three wire
		Voltage specification		AC 3×380V
		Specified working voltage range		0.9Un~1.1Un; the extensional work    voltage range: 0.8Un~1.2Un
		Consumption of the voltage circuit		=5VA/1W(each phase)
		Resistance		>500kO(each phase)
	Current	Rated value		Via PT/CT input   AC1.5(6)A
				Direct input   AC 5(80)A
		Current overload		Input via PT/CT: instant:201max, time of application: 0.5S
				Direct input: instant:301max, time of    application: half cycle of the rated frequency
		Consumption of the current circuit		=2VA(each phase)
		Resistance		<20mO(each phase)
	Frequency	Input range		(50±5%)Hz
Clock	Battery capacity			=1200mAh
	Accuracy of clock(day error)			=0.5s/d(23?)
Output	Display	Segment LCD
	Measurement parameters & grade	Voltage: Class 0.5; Current: Class 0.5; Power factor: Class 1;Frequency: Class 0.5; Active power: 1.5(6)A Class 0.5/5(80)A Class 1; Reactive power :Class 1; Activeenergy: 1.5(6)A Class 0.5/5(80)A Class 1;  Reactive energy: Class 2;
	Energy	Multi-rate energy	Support positive/negative total active/reactive multi-rate measurement function
		Four-quadrant energy	Support reactive four quadrant energy    measurement function
		Max. demand record	Support positive/negative total active/reactive max. demand record, demand cycle and slip time can be set
		Pulse constant	AC3×380V  AC1.5(6)A  6400imp/kWh(imp/kvarh)
			AC3×380V  AC5(80)A 400imp/kWh(imp/kvarh)
		Pulse signal output	Provide 1 set(active/reactive energy) optical signal and optocoupler isolated open collector electrical signal pulse output, pulse length:80ms±16ms
	Communication	RS485 communication	Support MODBUS-RTU or DL/T645-2007    communication protocol(switchable), the communication baud rate 1200bps,    2400bps,4800bps,9600bps can be set, assumed to be 9600bps
		IR communication(*)	Support MODBUS-RTU or DL/T645-2007    communication protocol(switchable), Infrared wavelength: 900nm~1000nm  communication baud rate:1200bps communication angle: =±15°      communication distance:=4m




Note: 

1. The meter can only be the same as its corresponding technical performance and parameters.

2. The items remarked * is the optional items, which shall be specified by the customers while ordering.