Electric Chain Hoist Duty Classification H4 Mount Type Hook Mounted - No Trolley Maximum Lifting Capacity 1 100 lb Number of Speeds 2 Programmable Non-Programmable Fixed Lift Speed 4.5 fpm 18 fpm Trolley Speed Not Applicable Maximum Lifting Length 16 ft Current at Minimum Voltage 5 A Current at Maximum Voltage 5 A Motor Horsepower 5/8 hp Operating Voltage 230V AC Headroom 15 11/16 in For Minimum Beam Height Not Applicable For Maximum Beam Height Not Applicable