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DD28 Single Phase Watt-hour Meter

DD28 Single Phase Watt-hour Meter
company ZHEJIANG ZHIYUE ELECTRIC CO.,LTD.
Categories Energy Meters
Update2011-02-24
Original RegionChina
DD28 Single Phase Watt-hour Meter
DD28 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
stargets 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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