Electric Chain Hoist Duty Classification H4 Mount Type Motorized Trolley Maximum Lifting Capacity 2 000 lb Number of Speeds 2 Programmable Programmable by Internal Controls Fixed Lift Speed Not Applicable Minimum Lift Speed 3.8 fpm Maximum Lift Speed 23 fpm Trolley Speed 80/13 fpm Maximum Lifting Length 20 ft Current at Minimum Voltage 5.5 A Current at Maximum Voltage 5.5 A Motor Horsepower 2 hp Operating Voltage 380-460V AC Headroom 19 5/16 in For Minimum Beam Height 4 13/16 in