... )A, 2.5(10), 3(12)A, 5(20), 10(40), 15(60), 20(80), 30(100) 4)ISO, CCC DTSY1777 ... series Three phase four wire electronic prepayment watt-hour meterRated voltage:3*220/380VUltimate ... )A, 2.5(10), 3(12)A, 5(20), 10(40), 15(60), 20(80), 30(100)Power consumption:<0.6WPrecision ...