Product Description APPLICATION: 1. Application: DD862 and DD862a single phase electric meter are in duction meter. It is used in calculating 50Hz single-phase AC active electrical energy. It is composed of electromagnetic element. Moving disc, be-aring, damping magnet steel, counter and regulator and regulator equipment etc. The meter has high precision, high over-load, long lifetime and so on features. The quality technical index of the products is in accordance with the GB/TI52831994national stan-dard and IEC521-94international standard. 2. STRUCTURE CHARACTERISTICS The voltage ir on core adopts semienclosed insert model. The current element adopts two-stage com-pensation to have wide load property. The whole plasticenclosed voltage coil. Can withst and instantaneo. Us large voltage impulse. The double jewels bearing or the magnetic-propelled bearing can ensure long lif-etime. The bipolar aluminium nickel cobalt damping magnet steels have high coercivity, stable magmeti-cproperty. The electric function is in accordance with IEC521 internatlinal standard. Accuracy: 2 220V/50Hz Model DD862-4: 1. 5/6A, 2. 5/10A, 5/20A, 3/12A, 10/40A, 15/60A, 20/80A, 30/100A Model DD862-2: 3/6A, 5/10A, 2. 5/5A, 10/20A, 20/40A, 30/60A, 40/80A