The electric chain hoist adopts g80 manganese steel chain, which is thicker, stronger and more powerful. Manganese steel hook, disc motor, alloy steel shell. Copper core motor has good heat dissipation effect and durability. It has the function of power-off braking. It is more reliable with leakage protection. Small size, sufficient horsepower, rapid braking, stable performance and long service life. Two over sprockets for smooth operation. Lifting weight: 1ton 2tons 3tons 5tons 10tons 20tons Wire rope length:3m,6m,9m,12m Voltage:220V,380V. just tell me your needs, and contact us.