... safety limiter in both up and down directions. MD model electric hoist has normal lifting speed and ... (ton)0.5, 1, 2, 3, 510, 16, 200.5, 1, 2, 3, 510, 16, 20TravellingmechanismTravellingSpeed (m/min) ... 18, 24, 30Motor (kw)0.8, 1.5, 3.0, 4.5, 7.5130.8/0.2, 1. ... 5/0.2, 3.0/0.4, 4.5/0.4, 7. ... 5/0.813/1.5Duty ClassM3Power source380V, 50HZ, 3 phase (or other standard)Working temperature-20~40° ...