Electric Chain Hoist Duty Classification H4 Mount Type Geared Trolley Maximum Lifting Capacity 2 000 lb Number of Speeds 2 Programmable Programmable by Internal Controls Fixed Lift Speed Not Applicable Minimum Lift Speed 3.9 fpm Maximum Lift Speed 17 fpm Trolley Speed Not Applicable Maximum Lifting Length 20 ft Current at Minimum Voltage 19.5 A Current at Maximum Voltage 12 A Motor Horsepower 1 1/4 hp Operating Voltage 115V AC Headroom 19 5/16 in For Minimum Beam Height 3 9/16 in