Descriptions
3350AWDC-F and 3550AWDC-F for use on single and double wood doors up to 8' x 10' (2438mm x 2540mm), UL listed for fire exit hardware. See page 47 for detailed information on UL listed fire exit hardware label and door opening size information. Devices are ANSI A156.3 â 2008 Grade 1. The 3550AWDC-F has a smooth mechanism case and the 3350AWDC-F has grooved case. The concealed vertical cable device is non-handed except when the SS (signal switch) option is used. See opposite page for available outside trim and device functions.