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The HARRINGTON NERM 3-phase electric chain hoist with motorized trolley is suitable for indoor our outdoor use. Lightweight, die-cast aluminum body Fan-cooled motor with 60-minute duty rating 5-pocket load sheave reduces chain vibration Grade 80 nickel-plated load chain Includes chain container Upper and lower limit switches Trolley operates on S or W beams Side guide rollers for smooth travel along beam Rubber bumpers and drop stops Meet ANSI/ASME and UL 1340 H4 and IP55 rated RoHS compliant This listing is for each. Technical Specification Electric Hoist Item Chain Hoist Load Capacity 10, 000 lb Hoist Lift 15 ft Classification H4 Number of Speeds 1 Lift Speed 11 fpm Motor HP 4.7 hp Voltage 230/460 Phase 3 Min. Between Hooks 33 3/32 in Amps @ Low Volts 21.5 A Housing Depth 30 in Housing Length 28 15/16 in Housing Width 19 13/16 in Reeving 2 Brake DC Current Clutch Friction Control 110V Push Button Control Pendant Control Cord 11 ft Color Yellow Finish Electrostatic Enamel Lubrication Oil Bath Thermal Protection Yes Fits Beam Flange W 3-15/16 in to 7-3/32 in Trolley Speed 40 fpm Trolley Wheel Dia. 3 13/32 in Standards ASME , UL1340 Includes Chain Container, Guardian Smart Brake, Motorized Trolley Hoist Mount Motorized Trolley Manufacturers Warranty Length 10 yr Brake Warranty, 3 yr