DHY-performance electric hoist features: 
1, efficient, electric light, non-asbestos brake systems, low power. 
2, punching Steel shell, lightweight and sturdy. 
3, high-strength safety hook, and are subject to overload the impact of the accident will not happen fracture, only a gradual deformation. 
4, limit switch: hanging suspended under the limit switches are installed so that the motor stopped automatically to prevent the chain beyond, to ensure safety. 
5, reverse protection device: a special cable installations, power connection error, the circuit can not control action