Electric Chain Hoist Duty Classification H4 Mount Type Hook Mounted - No Trolley Maximum Lifting Capacity 4 400 lb Number of Speeds 2 Programmable Non-Programmable Fixed Lift Speed 4 fpm 16 fpm Trolley Speed Not Applicable Maximum Lifting Length 16 ft Current at Minimum Voltage 3.9 A Current at Maximum Voltage 3.9 A Motor Horsepower 2 3/8 hp Operating Voltage 575V AC Headroom 23 1/2 in For Minimum Beam Height Not Applicable For Maximum Beam Height Not Applicable