Electric Chain Hoist Duty Classification H4 Mount Type Hook Mounted - No Trolley Maximum Lifting Capacity 4 000 lb Number of Speeds 2 Programmable Programmable by VFD Fixed Lift Speed Not Applicable Minimum Lift Speed 1 fpm Maximum Lift Speed 7 fpm Trolley Speed Not Applicable Maximum Lifting Length 20 ft Current at Minimum Voltage 5.1 A Current at Maximum Voltage 2.7 A Motor Horsepower 1 1/4 hp Operating Voltage 460V AC Headroom 27 13/16 in For Minimum Beam Height Not Applicable