Three roller gate xw128 has the function of power-off and rod dropping. In emergency, the gate will automatically drop the rod, and pedestrians can quickly pass through, meeting the requirements of fire passage. In emergency, high-density pedestrians can be quickly dredged to ensure safety. The three roller gate can establish a very safe traffic environment, which is widely used in tourist attractions, office buildings, factories, construction sites, schools, gymnasiums, residential areas and other places.