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DD862,DD862a single-phase watt-hour meter is induction meter which is appliable to measure the rated frequency 50Hz and power loss in electrified wire netting, The meter has novel design, rationl structure and feaures of large overload.low power loss and long life etc. All technical targers are completely conformed ot National Standard GB/T15283-94 and lntermational Standard IEC521. |
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Type |
Accuracy (Class) |
Rated Voltage(A) |
Rated Current (A) |
Overload Capacity |
Staring
Current |
Insulation |
DD862-4 |
2 pole |
220 |
1.5(6),2.5(10),5(20),3(12),10(40),
15(60),20(80),30(100) |
400% Ib |
0.5% Ib |
AC voltage 2kV for 1 minute impulse voltage 6KV |
DD862-2 |
3(6),5(10),2.5(5),10(20),
20(40),30(60),40(80) |
200% Ib |
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Application DT862-4 Three-phase active energy watt-hour meter and reactive energy watt-hour meter are induction meters which are applicable to measure the rated frequency 50Hz and power loss of active energy meter are completely confor med National Standard GB/T15283-94 and lnternatinal Standard IEC521.All technical targets of reactive energy meter are completely conformed to National Standard GB/T15283-94 and Intermational Standard IEC 145. |
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Type |
Accuracy (Class) |
Rated Voltage(V) |
Rated Current (A) |
Connection Mode |
DT862 |
2 |
3X380/220 |
3x1(2),3x3(6),3x1.5(6) |
Input through current mutual inductor |
3x5(20),3x10(40),3x1.5(6) |
Directly input |
DT864 |
1.0 |
3x1(2),3x3(6),3x15(60),
3x20(80),3x30(100) |
Input through current mutual inductor |
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Made with advanced technique by adopting large-scale integrated circuit and highly reliable stepping motors etc., Type DDS858 single-phase electronic watt-hour meters are the newest power counting products in our country to meaure single -phase AD active energy with the rated voltage of 220V and and the rated frequency of 50Hz This kind of products can precisely measure active energy both in positive and negative directions . It has the function of anti-stealing electricity.In order to monitor and control active energy easily, it adopts testing signals with light-coupled output and light diodes to indicate the used power capacity .Its technical rpoperties are comformed to the National Standard GB/T 172-98 Grade II Static AD Active Meters and the IEC Standard. |
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Name |
Type |
Accuracy(Class) |
Rated voltage(V) |
Rated Current (A) |
Meter Constant imp/kw.h |
Connection Mode |
electronical single-phase watt-hour meter |
DDS858 |
1.0 |
220V |
2.5(10)A 5(20)A 10(40)A 20(80)A |
6400 3200
1600 800 |
Direcly inputy |
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It is the new generation intelligent watt-hour meter which adopt advanced static integrated technology and SMT craft. The products accord with class 1.0 static AC active thre phase energy meter of GB/T 17214-98 and IEC 1036 standard as well as accord with all technology requirement of GB/T 8382-96 standard. It has the feature of advanced principal. simple strcuture , high accuracy and sensitivity, high reliability, anti-power theft, strong overload and so on. |
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| item |
type |
accuracy |
rated voltage |
rated current |
manner |
| three phase four wire electrical watt-hour meter |
DTS858-4 |
1.0 |
3x380/220V |
3X2.5(10)A
3X5(20)A
3X10(40)A
3X15(60)A
3X20(80)A |
Direct connection |
| DTS858-2 |
1.0 |
3x380/220V |
3X1.5(6)A |
connection with CT |
| 3X3(6)A |
connection with CT |
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