Electric Chain Hoist Duty Classification H4 Mount Type Hook Mounted - No Trolley Maximum Lifting Capacity 275 lb Number of Speeds 2 Programmable Non-Programmable Fixed Lift Speed 8 fpm 32 fpm Trolley Speed Not Applicable Maximum Lifting Length 16 ft Current at Minimum Voltage 1.35 A Current at Maximum Voltage 1.35 A Motor Horsepower 1/4 hp Operating Voltage 460V AC Headroom 13 7/8 in For Minimum Beam Height Not Applicable For Maximum Beam Height Not Applicable