Electric Chain Hoist Duty Classification H4 Mount Type Motorized Trolley Maximum Lifting Capacity 2 000 lb Number of Speeds 1 Programmable Non-Programmable Fixed Lift Speed 28 fpm Minimum Lift Speed Not Applicable Maximum Lift Speed Not Applicable Trolley Speed 40 fpm Maximum Lifting Length 20 ft Current at Minimum Voltage 11.8 A Current at Maximum Voltage 1.7 A Motor Horsepower 2 3/8 hp Operating Voltage 208-230/460V AC Headroom 17 in For Minimum Beam Height 5 3/32 in