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L & J Smart Technology Co., Limited Professional High Quality Energy Meter Supplier
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IEC Three Phase Electromechanical Energy Meter with ABS , Bakelite , PC Terminal cover
IEC Three Phase Electromechanical Energy Meter Four wire
The DT86 three-phase fore-wire meter is designed to meet the latest IEC62053-21,IEC62052-11 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(MTTF)of 20 years and maximum overload capacity of 600%Ib.
Terminal block
The terminal block is molded of heat-and flame-resistant Bakelite . It is fixed in the extended meter base. The voltage test link can be located inside or outside of the meter case.
Driving element
The driving element consists of a voltage element and a current element, both of which are fixed on the aluminum alloy frame. It has a load curve compensation device and inductive load adjustment mechanism.
Register Cyclometer single, unidirectional, Jumping
Technical data:
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1 |
Meter type |
DT86 |
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2 |
Applicable Standards |
IEC62053-21 sw IEC62052-11 |
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3 |
Accuracy class (according to IEC 60521) |
Transformer operated: Class 1 Direct connected: Class2
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4 |
Average service life (MTTF) |
20 years |
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5 |
Basic current (lb) |
1.5 3 5 5 10 15 20 30 |
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6 |
Maximum current (lmax) |
6 6 10 20 40 60 80 100?? |
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7 |
Rating current of transformer |
5A Direct connection |
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8 |
Reference voltage Un |
3×57.7/100V,3×220/380V 3×230/400V,3×240/415V |
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9 |
Reference frequency fn |
50Hz,60Hz |
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10 |
Power losses in voltage circuit at? 50Hz Un |
1.0W/4.5VA |
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11 |
Power losses in current circuit at? 50Hz Un Ib |
<0.5VA |
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12 |
Non-running with no-load |
0.8~1.1Un |
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13 |
Starting current |
0.4%Ib 0.5%Ib |
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14 |
Mean temperature coefficient From 0.1Ib to Imax at unity PF From 0.2Ib to Imax at unity 0.5 lagging |
<0.08%/? <0.12%/? |
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15 |
Insulation level Withstand A. C. Voltage for 50Hz, 1min |
>2kV(when bakelite base>4kV) >6KV(when bakelite base>8kV) |
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16 |
Rated load torque at unity PF, Ib |
>800μMn |
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17 |
Weight of rotor |
48g |
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18 |
Weight of meter |
?.5kg |
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19 |
Meter base |
Steel, Bakelite, PC |
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20 |
Meter cover |
Bakelite, transparent PC |
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21 |
Terminal cover |
ABS, Bakelite, PC |
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22 |
Register |
Cyclometer single, Unidirectional, Jumping |
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23 |
Option |
Reverse running stopper |
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