This is a mortise exit device with a delayed egress function. It mounts on a door as the egress hardware for an opening that needs a timed delay before the door releases. The bar is field reversible. Von Duprin is an Allegion brand. Part CXA9975K-BE-F 3 643E is the 36 Device, Fire Rated, Passage Function, Knob with Escutcheon Trim, Delayed Egress Device 15 Seconds, Less Dogging, Field Reversible version in Aged Bronze.

• 36 Device
• Fire Rated
• Passage Function
• Knob with Escutcheon Trim
• Delayed Egress Device 15 Seconds
• Less Dogging
• Field Reversible
• Finish 643E Aged Bronze
• Grade 1
• Fire rated: Yes {Variable}
• Part number CXA9975K-BE-F 3 643E