... ABS engineering plastics. 2. Use for Mechanical electronic prepaid meters. 3. life of more than 20 years. ... series of meter box with the integrated design concept, one to sixteen of power meters and the ... meter box,is suitable for AC 50Hz or 60Hz, ratedworking voltage 220V, 380V, 690V . The rated operating current 10A-225A power ... Type designationUse for Machinery,Electron,Prepaid Power meter box PC