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DT862 3 phase 4 wire electromechanical kwh electric meter Transparent Cover Reverse running stopper
PRODUCT INFORMATION
The DT862 three-phase four-wire meter is designed to meet the latest IEC60521 and BS EN 60521 standards for measuring active energy in three-phase four-wire alternating current power grids. Connection is direct or by instrument transformers. Electromechanical KWH Meter is KEMA certified. It has an average service life (MTTF) of 20 years and maximum overload capacity of 600%Ib.
Function and features
2.1 Sub-closed iron core
2.2 The die-casting frame is made of alloy aluminum, to assure the magnetic line stably and reliably.
2.3 Meter bearing has three kinds, may select dual jewel, magnetic thrust or magnetic float;
2.4 May select 5+1 digits or 5 digits register;
2.5 May select 5 kinds of cases: bakelite, PC, ABS plastic, glass and aluminum.
SPECIFICATIONS
1 | Meter type | DT862 Electromechanical KWH Meter | ||||||||||
2 | Standards | IEC60521 ,IEC514 | ||||||||||
3 |
Accuracy (according to IEC60521) |
Transformer operated: Class 1 |
Direct connected: Class 2 |
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4 | Average service life (MTTF) | 10 years | ||||||||||
5 | Basic current(Ib) A | 1.5 | 3 | 5 | 5 | 10 | 15 | 20 | 30 | |||
6 | Maximum current(Imax) A | 6 | 6 | 10 | 20 | 40 | 60 | 60 | 100 | 80 | 100 | 100 |
7 | Rating current of transformer In | 5A | Direct connection | |||||||||
8 | Meter constant r/kWh | 600 | 450 | 200 | 200 | 100 | 60 | 50 | 30 | |||
9 | Over load capacity %Ib | 400 | 200 | 400 | 500 | 400 | 400 | 667 | 400 | 500 | 333 | |
10 |
Rated load speed (r/min) at unity PF, 3×220/380V, Ib |
9.9 |
14.9 |
11 |
9.9 |
11 |
9.9 |
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11 | Reference voltage Un | 3×57.7/100V, 3×220/380V, 3×230/400V, 3×240/415V | ||||||||||
12 | Reference frequency fn | 50 Hz,60 Hz | ||||||||||
13 |
Power losses in voltage circuit at 50 Hz Un |
1.0 W/4.5 VA |
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14 |
Power losses in current circuit at 50Hz Un Ib |
<0.5 VA |
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15 | Non-running with no-load | 0.8~1.1Un | ||||||||||
16 | Staring current | 0.4%Ib | 0.5%Ib |
PRODUCT PICTURE