This is a concealed vertical rod exit device with a motorized latch, built for doors that need a panic bar with electrified control. The rods run inside the door, so the face stays clean. Von Duprin is an Allegion brand. Part QEL9848K-NL-F 4 643E is the 48 Fire-Rated Device, 80 to 100 Door Height, Night Latch Function, Knob with Escutcheon, Motorized Latch Retraction, Less Dogging, Field Reversible version in Aged Bronze.

• 48 Fire-Rated Device
• 80 to 100 Door Height
• Night Latch Function
• Knob with Escutcheon
• Motorized Latch Retraction
• Less Dogging
• Field Reversible
• Finish 643E Aged Bronze
• Grade 1
• Part number QEL9848K-NL-F 4 643E