The hoist motor is class F insulated, 30 minute rated (40% effective duty), thermally protected and totally enclosed. The trolley motor's standard inverter control offers two-speed multi-step or infinitely variable speed control for smooth acceleration and deceleration, minimal load swing, fast, efficient handling and accurate load placement. Characteristic Hoist Classification : FEM(2m) / ISO(M5) Safety Working Load : 125% Capacity : 1ton ~70ton Various Type : Fixed, Mono-rail, Double rail, Low Head, Main/Aux Type Speed Type : Single, wo Speed Power Supply : AC Three phases power source220/380/415/440/480V ~50/60hz 3ph Ambient Temperature : -20c~+40c Utilization Factor(%ED) : 40%ED Coating Color : Munsell No. for hoist body - Mussel No. 10B 3/5 Button Block - Mussel No. 8.1YR 7.6/15.2 Hook - Mussel No. 8.1YR 7.6/15.2 Trolley - Mussel No.10B 3/5