... 0.75Kw, With Electromagnetic Brake And Deceleration System2. Control System: Frequency Changer Is Japan Yaskawa Brand, 220V, 0 ... The Middle; Closed Brush At Two Sides5. Operation System: Based On Wall Switch, (Pull Switch---$90/ ... 240/Pair, Infrared Switch---$240/Pair)6. Safety System: USA G-tek Brand, With Infrared Photoelectricity Protection ... our honor to service for you! Automatic Quick Shutter Door