DD28 single phase watt-hour meter
1.DD28 type watt hour meter application:
DD28 single phase watt-hour meter is a kind of induction meter, it is applicable to measure the rated frequency 50/60Hz current power. All technical data is according to GB/T15283-94 and international standard IEC521
2. Meter body cover material:
1).Black plastic
2).Transparent plastic cover
3).Glass cover
4).Aluminium cover
3.Technical parameters:
Type | Accuracy Class | Rated voltage(V) | Rated current (A) | Overload capacity | Starting current | Insulation performance |
DD282 | 2.0 | 220V | 5(10)A,10(20)A 20(40)A,30(60)A, 40(80)A,50(100)A | 200% IB | 0.5% IB | AC voltage 2KV for 1 minute Impulse voltage 6KV |
DD283 | 2.0 | 220V | 5(15)A,10(30)A 15(45)A,20(60)A, 30(100)A | 200% IB | 0.5% IB | AC voltage 2KV for 1 minute Impulse voltage 6KV |
DD284 | 2.0 | 220V | 5(20)A,10(40)A 15(60,)A,20(80)A, | 200% IB | 0.5% IB | AC voltage 2KV for 1 minute Impulse voltage 6KV |
4.Diagram
