Electric Chain Hoist Duty Classification H4 Mount Type Hook Mounted - No Trolley Maximum Lifting Capacity 500 lb Number of Speeds 1 Fixed Lift Speed 20 fpm Minimum Lift Speed Not Applicable Maximum Lift Speed Not Applicable Trolley Speed 20 Maximum Lifting Length 10 ft Current at Minimum Voltage 7.6 A Current at Maximum Voltage 7.6 A Motor Horsepower 3/8 hp Operating Voltage 115/230V AC Headroom 17 5/16 in For Minimum Beam Height Not Applicable