Electric Chain Hoist, Duty Classification H4, Mount Type Push Trolley, Maximum Lifting Capacity 4,000 lb, Number of Speeds 2, Programmable Programmable by VFD, Fixed Lift Speed Not Applicable, Minimum Lift Speed 4.5 fpm, Maximum Lift Speed 28 fpm, Trolley Speed Not Applicable, Maximum Lifting Length 10 ft, Current at Minimum Voltage 17.3 A, Current at Maximum Voltage 8.3 A, Motor Horsepower 4 3/4 hp, Operating Voltage 460V AC, Headroom 25 19/32 in, For Minimum Beam Height 5 in