... curve I-section steel beam of single beam cranes. They can also be used together with Electric Hoist Double beam gantry cranes ... warehouses. The standard capacity of this type electric hoist: 0.5T, 1T, 2T, 3T, 5T, 10T, 16T, 20T.. Lifting height: 6m, 9m, 12m ... /0.4, 4.5/0.4, 7.5/0.813/1.5Duty ClassM3Power source380V, 50HZ, 3 phase (or other standard)Working ...