Environmental requirements for pillar mounted jib cranes

The environmental requirements of the pillar mounted jib crane are as follows:
 
1. The power supply of the crane is three-phase AC, the rated frequency is 50HZ, and the rated voltage is 380V.
 
2. The altitude of the pillar mounted jib crane installation site does not exceed 2000M.
 
3. There shall be no flammable, explosive or corrosive gases in the working environment of the pillar mounted jib crane.
 
4. The pillar mounted jib cranes are not allowed to lift molten metal, toxic substances and inflammable and explosive materials.
 
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