Electric Chain Hoist Duty Classification H4 Mount Type Hook Mounted - No Trolley Maximum Lifting Capacity 4 000 lb Number of Speeds 1 Programmable Non-Programmable Fixed Lift Speed 28 fpm Minimum Lift Speed Not Applicable Maximum Lift Speed Not Applicable Trolley Speed Not Applicable Maximum Lifting Length 20 ft Current at Minimum Voltage 16.4 A Current at Maximum Voltage 7.9 A Motor Horsepower 4 3/4 hp Operating Voltage 208-230/460V AC Headroom 23 3/16 in