Electric Chain Hoist Duty Classification H4 Mount Type Push Trolley Maximum Lifting Capacity 250 lb Number of Speeds 2 Programmable Programmable by VFD Fixed Lift Speed Not Applicable Minimum Lift Speed 9 fpm Maximum Lift Speed 55 fpm Trolley Speed Not Applicable Maximum Lifting Length 20 ft Current at Minimum Voltage 3.6 A Current at Maximum Voltage 1.8 A Motor Horsepower 3/4 hp Operating Voltage 460V AC Headroom 15 19/32 in For Minimum Beam Height 3 in