The power source of the crane is three-phase AC, the frequency is 50Hz, and the voltage is 380V. The upper limit of the allowable voltage fluctuation of motors and electrical devices is + 10% of the rated voltage, and the lower limit is -15% of the rated voltage.

The installation of crane running track shall meet the requirements of GB 10183.

The altitude of the place where the crane is installed and used does not exceed 1000m. When hen exceeding, it should be indicated in the contract.

The radiant heat temperature of the lifted objects to the hook of the crane should not exceed 300 ° C.

The working environment must be free from flammable, explosive and corrosive gases.

The maximum wind pressure of the crane for outdoor use in non-working state is 800Pa.

For indoor gantry cranes:

The ambient temperature does not exceed + 40 ° C, and the average temperature within 24h does not exceed + 35 ° C.

Ambient temperature is not lower than -5 ℃.

The relative humidity does not exceed 50% at a temperature of + 40 ° C.

For outdoor gantry cranes:

The ambient temperature does not exceed + 40 ° C, and the average temperature within 24h does not exceed + 35 ° C.

The ambient temperature is not lower than -25 ° C.

When the ambient temperature does not exceed + 25 ° C, the relative humidity is allowed to temporarily reach 100%.

Working wind pressure should not be greater than: 150Pa inland and 250Pa along the coast.