Electric Chain Hoist Duty Classification H4 Mount Type Hook Mounted - No Trolley Maximum Lifting Capacity 1 000 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 20 ft Current at Minimum Voltage 10.5 A Current at Maximum Voltage 10.5 A Motor Horsepower 5/8 hp Operating Voltage 115/230V AC Headroom 17 29/32 in For Minimum Beam Height Not Applicable