Electric Chain Hoist Duty Classification H4 Mount Type Push Trolley Maximum Lifting Capacity 4 000 lb Number of Speeds 2 Programmable Programmable by VFD Fixed Lift Speed Not Applicable Minimum Lift Speed 2.5 fpm Maximum Lift Speed 14 fpm Trolley Speed Not Applicable Maximum Lifting Length 20 ft Current at Minimum Voltage 9.1 A Current at Maximum Voltage 4.5 A Motor Horsepower 2 3/8 hp Operating Voltage 460V AC Headroom 25 in For Minimum Beam Height 5 in