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Key FeaturesQuality is inside: Heavy Duty H3/M4. Aluminum housing, NSK Bearings, USA Chevron Meropa 320 LubUS Brand EATON Contactors, All ways Limit Switches, Emergency StopSuper Heavy Duty G100 Chain, 25% Stronger than G80. Standard ASTM A793US and EC Standards ASME HST-1 , ASME B30.16 , EN14492-2 , EN60204-323 Year Warranty, Service and Parts Available in Stock in USA and Latin AmericaElectric Chain Hoist DescriptionThis 3 ton Electric Chain Hoist uses a powerful motor to raise and lower loads up to 30 feet in the air. The three-phase power supply makes it ideal for industrial applications. The hoist is easy to use which helps you complete large projects with ease.Prowinch Electric Chain HoistAll of our Electric Chain Hoists are created with the goal of offering the best price–performance ratio. Key components such as lifespan factors are constantly tested and improved in order to offer the best product for the price.Key ComponentsAll internal components have been upgraded to meet the highest quality standards. Key electronic components are produced by American or German brands, and we use American-made lubricants to ensure the lifespan of gears and reducers. Final assembly and all tests are performed in the US before shipping to ensure that every unit meets the corresponding standard.Duty ClassificationDuty classification is a key factor when choosing the right unit. These H3 hoists are suitable for general machine shop fabricating, assembly, storage, and warehousing. For uniformly distributed work periods, the hoists have 25% max. operational time per hour and can handle up to 150 starts per hour. When being used for infrequent work periods, the hoist can be operated for 30 minutes from a cold start with up to 200 starts per hour. Operational time ratings are calculated at a 65% load factor, as per ASME HST-1-2012.Control SystemThis electric chain