Standard operating level 1Am, if you have special needs, you can adjust the lifting weight of the work of a higher level. Standard thermal overload protection device. Continuous electrical connection with the 30% rate. Motor protection to IP54 as standard Power Supply 380V-3-50Hz 125 公斤 models can also be applied 220V-1-50Hz power supply of the individual, has a higher flexibility of use. Control handle protection class IP65, optional on the human body and the safety of 48V low-voltage control.