Hold open device FD480 Guide rail is certified in compliance with EN1155, size 3-6. Fulfils barrier-free building requirements (EA / CEN TR 15894). Suitable for fire and smoke protection doors. For single action doors up to 1250 mm wide. DIBt approval with different smoke detection systems. Concealed electro-mechanical hold-open device. Continuously adjustable holding force. Can be used for left and right-handed doors. Closing speed and latching speed adjustable from top facing regulating valves. Hold-open angle continuously adjustable between 70°- 120°. Large range of applications. Specifications Mounting position Hold open function Yes Door leaf Single Type of product Elmech guide rail Close Downloads FD480_Declaration_of_Performance_1_ABLOY.pdf (.pdf, 91 kB) FD480_Installation_Instructions_1_ABLOY.pdf (.pdf, 705 kB) FD480_Installation_Template_1_ABLOY.pdf (.pdf, 522 kB) Close Coordinator FD484Guide rail with integrated mechanical coordinator and ele… Coordinator FD482Guide rail with integrated mechanical coordinator and two… Coordinator FD481Concealed guide rail with integrated mechanical door coor…