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DEM161 3 phase prepayment watt hour meter

  DEM161 three phase prepayment watt-hour meter
   
Application DEM161series three phase prepayment watt-hour meter is a kind of mechanism-electronic integrative meter which is designed and manufactured on the basis of type DDY155 single phase prepayment watt-hour meter. The meter has many functions such as electric energy measuring, load control and using electricity management etc. Its technique performance are completely conformed to the stipulated requirements of National Standard GB/T15283-94 Department Standard JB/T8382-96 and international standard IEC60521, it is used for measuring rated frequency 50 Hz three phase AC active energy electric power consumption.Structure and features 1. The structure of microcomputer control board and photo-electricity sensor is designed. 2. It protects for overload input voltage, overload output IC card with code and data against false etc. 3. Voltage range in AC 154-287V is normal. 4. The data will preserved forever if power is interrupted. 5. The outline structure dimension and installation dimension and connection way is the same as ordinary meter.
 
Technical parameters
 
Name Type Accuracy Rated voltage(V) Rated current(A) Connection Mode
Three phase four wire prepayment watt-hour meter DTY155(DEM161) Class 2 3×380/220 3×1(2),3×1.5(6),3×3(6) Input through current transformer
Three phase four wire prepayment watt-hour meter DTY155(DEM161) Class 2 3×380/220 3×5(20),3×10(40),3×15(60),3×20(80),3×30(100) Directly input
Three phase four wire prepayment watt-hour meter DTY155(DEM161) Class 2 3×100/57.5 3×1(2),3×1.5(6),3×3(6) Input through current voltage transformer
Three phase three wire prepayment watt-hour meter DSY155(DEM161) Class 2 3×380 3×1(2),3×1.5(6),3×3(6) Input through current transformer
Three phase three wire prepayment watt-hour meter DSY155(DEM161) Class 2 3×380 3×5(20),3×10(40),3×15(60),3×20(80),3×30(100) Directly input
Three phase three wire prepayment watt-hour meter DSY155(DEM161) Class 2 3×100 3×1(2),3×1.5(6),3×3(6) Input through current voltage transformer
 
Outer and mount dimension:

DEM161 three phase prepayment watt-hour meter