... measure 50 Hz or 60 Hz active energy consumption from single phase AC electricity net. All technical targets are completely conformed to National ... -directional function or able to be anti-reverse;4. The bearing has four kinds: single-jewel, dual-jewel, magnetic thrust.5. The ... .0220V, 230V, 240V2(4), 2.5(5), 3(6), 5(10), 10(20), 20(40), 30(60), 40(80)0.5%IbAC ...