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Electric Watt-hour Meter

Electric Watt-hour Meter

Three-phase Electric Watt-hour Meter

DT862 Three-phase Electric Watt-hour Meter
Description of DT862 Three-phase Electric Watt-hour Meter:
The DT862 three-phase electric watt-hour meter (four-wire) is designed to meet the latest IEC60521 standards for measuring active energy in three-phase four-wire alternating current power grids. Connection is direct or by instrument transformers. DT862 three-phase electric watt-hour meter has an average service life of 10 years and maximum overload capacity of 600%Ib.
Structure and Features of Three-phase Electric Watt-hour Meter:
1. Meter case
It meets the protection requirements set by protection class IP53 of IEC60529.
2. Terminals and Terminal block
Terminals:
The connection terminals are made of nickel-plated brass with features of high mechanical strength, good conductivity and corrosion-resistance.
Terminal block:
The terminal block is injection molded of heat- and fire-resistant Bakelite.
3. Rotor
The rotor shaft is turned of high strength aluminum alloy.

Technical Parameters of Three-phase Electric Watt-hour Meter

Name Type Accuracy
(class)		 Rated
voltage(V) 		Rated current(A) Connection Mode
Three-phase four-wire active energy watt-hour meter DT862 2 3×380/220 3×1(2), 3×3(6),
3×1.5(6) 		Input through current transformer
3×5(20), 3×10(40),
3×15(60), 3×20(80),
3×30(100) 		Directly input
DT864 1 3×1(2), 3×3(6),
3×1.5(6) 		Input through current voltage transformer
Three-phase three-wire active energy watt-hour meter DS862 2 3×380 3×1(2), 3×3(6),
3×1.5(6) 		Input through current transformer
3×5(20), 3×10(40),
3×15(60), 3×20(80),
3×30(100)		 Directly input
3×100 3×1(2), 3×3(6),
3×1.5(6) 		Input through current voltage transformer
DS864 1 3×380 3×1(2), 3×3(6),
3×1.5(6) 		Input through current transformer
3×100 3×1(2), 3×3(6),
3×1.5(6) 		Input through current voltage transformer
Three-phase four-wire reactive energy watt-hour meter  DX862 3 3×380 3×1(2), 3×3(6),
3×1.5(6) 		Input through current transformer
3×100 3×1(2), 3×3(6),
3×1.5(6) 		Input through current voltage transformer
DX864 2 3×380 3×1(2), 3×3(6),
3×1.5(6) 		Input through current transformer
3×100 3×1(2), 3×3(6),
3×1.5(6) 		Input through current voltage transformer
Three-phase three-wire reactive energy watt-hour meter DX865 3 3×380 3×1(2), 3×3(6),
3×1.5(6) 		Input through current transformer
3×100 3×1(2), 3×3(6),
3×1.5(6) 		Input through current voltage transformer
DX863 2 3×380 3×1(2), 3×3(6),
3×1.5(6) 		Input through current transformer
3×100 3×1(2), 3×3(6),
3×1.5(6) 		Input through current voltage transformer
Outer and Mount Dimension

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