high quality waterproof lifting push button control switch station for crane XCD-62

high quality waterproof lifting push button control switch station for crane XCD-62

1 Operational temperation:-5°c - +40°c  the average value less than +35°c  in 24 hours
2 Altitude: less than 2000m
3 Atmosphere condition : when the maximum temperature is +40 °c ,the  Operational humidity is less than 50%,allow higher humidity  in cooler environments.
4 Pollution degree:3 level
5 Installs Category: II
6 No significant Shaking,no impact vibration and no snow or rain
7 No explosive media,the Gas and dust can't corroding metal and damage the insulation