Electric Chain Hoist Duty Classification H4 Mount Type Hook Mounted - No Trolley Maximum Lifting Capacity 4 400 lb Number of Speeds Variable Programmable Non-Programmable Fixed Lift Speed Not Applicable Minimum Lift Speed 26 m/min Maximum Lift Speed 11 m/min Trolley Speed Not Applicable Maximum Lifting Length 26 ft Current at Minimum Voltage 4.5 A Current at Maximum Voltage 4.5 A Motor Horsepower 3 hp Operating Voltage 480V AC Headroom 23 1/2 in