THREE PHASE KIOWATT HOUR METER DT862

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Detailed Selling Lead Description General: The DT862 three-phase four-wire meter 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. It has an average service life of 10 years and maximum overload capacity of 600% Ib. Features: 1. Meter case: it meets the protection requirements set by protection class IP53 of IEC60529 2. Terminals and terminal block a. Terminals: the connection terminals are made of nickel-plated brass with features of high mechanical strength, good conductivity and corrosion-resistance b. 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 data: 1. Meter type: DT862 2. Standards: IEC60521, IEC514 3. Accuracy (according to IEC60521) a. Transformer operated: class 1 b. Direct connected: class 2 4. Average service life 10 years 5. Rating current of transformer in 5A direct connection 6. Reference voltage (Un): 3 x 57. 7/100V, 3 x 220/380V, 3 x 230/400V 7. Reference frequency: 50Hz, 60Hz 8. Non-running with no-load: 0.9~1.1Un 9. Starting current: 0.4%Ib, 0.5%Ib 10. Mean temperature coefficient: from 0.1Ib to Imax at unity PF; from 0.2Ib to Imax at unity 0.5 lagging < 0.08%/°C < 0.12%/°C 11. Insulation level: withstand AC voltage for 50Hz, 1min withstand impulse voltage 1.2/50us > 2kV 12. Basic current (maximum current) A: 1.5(6), 3(6), 5(20), 5(40), 10(60), 15(60), 20(80

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yueqing xiankai electrical co.,ltd

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