... kilo watt-hour meter is applicable to measure 50 Hz or 60 Hz active energy consumption from single phase AC electricity net. All ... bearing has four kinds: single-jewel, dual-jewel, magnetic thrust.5. The die-casing frame is alloy aluminium, molding with excellent ... )Starting CurrentInsulationPerformanceDMM28(DD28)2.0220V, 230V, 240V2(4), 2.5(5), 3(6), 5(10), 10(20), 20(40), 30(60), 40(80 ...