... 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 ... different specifications,we can make according to your special requirements. DIN RAIL KWH METER,Din rail watt-hour meter,watt-hour meter