TYPE DD284 SINGLE PHASE WATT-HOUR METER
Application
DD284 single-phase watt-hour meter is a kind of induction meter, which is applicable to measure the rated frequency 50Hz and power loss in electrified wire netting. All technical targets are completely conformed to National Standard GB/T15283-94 and International Standard IEC 521.
Structure and features
The meter has separable electromagnet and the bearing has four kinds; single-jewel, dual jewel, magnetic thrust and magnetic floating. The case has three kinds; aluminum, plastic and glass. The die-casting frame is alloy aluminum with excellent mechanical strength.
Technical parameters
|
Type |
Accuracy
(class) |
Rated
voltage(V) |
Rated
current(A) |
Overload
capacity |
Starting
current |
Insulation
performance |
|
DD282 |
2 |
220 |
2(4)，2.5(10)
3(6)，5(10)
10(20)，20(40)
30(60)，40(80) |
200%Ib |
0.5%Ib |
AC voltage 2KV for 1 minute impulse voltage 6kV |
|
DD283 |
2(6)，3(9)
5(15)，10(30)
15(45)，20(60) |
300%Ib |
|
DD284 |
5(20)，3(12)
10(40)，15(60)
20(80) |
400%Ib |
Outer and mount dimension
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