... steady,durable 3.vehicle access control Traffic barrier Security Access Folding barrier Keywords: Barrier Gate,Intelligent Barrier Gate,Automatic Barrier ... open the clutch when power off.2. Fan cooling machine reduce the motor temperature by high frequency using, never ... (Closing) time: 1s, 3s, 6s3) Center height: 0.83m4) Machine core working temperature: -40 degrees to +75 degrees5) Electric working ...