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Product Show>>Meter :DD28 Type Single Phase Watt-hour Meter>> HUAJIA Electrical (Group) Co., Ltd.
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Meter：DD28 Type Single Phase Watt-hour Meter　[Hits：544]　
DD28 Type Single Phase Watt-hour Meter
 
 
Application
 
DD28 single-phase watt-hour meter is a king of induction meter, which is appli. cable to measurethe rated frequency 50Hz and power loss in electrified wire netting. All technical targets arecompletely conformed to National Standard GB/T15283-94 and international Standard IEC521.
 
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. Thedie-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
 220V 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
Overall & Installation Dimensions
 
 
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