Von Duprin QEL3549AEO-F LBL | Grade 1 Fire Rated Concealed Vertical Cable Less Bottom Latch Exit Device For Hollow Metal Single and Double Doors with Quiet Electric Latch Retraction, Smooth Mechanism Case
The Von Duprin QEL3549AEO-F LBL is a grade 1, fire rated, concealed vertical cable less bottom latch exit device featuring quiet electric latch retraction. The Von Duprin QEL3549-F-LBL provides enhanced security and streamlined aesthetics – no surface-mounted rods, mullions or metal wraps are visible. Further the quiet electric latch retraction feature makes the device a choice solution for installation in hollow metal single and double doors, where you require remote latch retraction. Such places include hospitals, theaters, museums and libraries.
This Von Duprin QEL3549F-LBL is a popular choice for use. You can buy this QEL concealed vertical cable device with various switch options, such as request to exit (rx), latchbolt monitoring (lm) and exit alarms. Since this is a fire rated device, it comes without dogging options. Choose from various finishes when purchasing the Von Duprin QEL3549F-LBL fire cvc lbl exit device. You can also buy the device for various door sizes. Please contact us by filling out a quote request form, for any questions that you might have.
Specifications of Von Duprin QEL3549A-F LBL Fire Concealed Vertical Cable Less Bottom Latch Exit Device with Quiet Electric Latch Retraction
Device lengths
2' 2' (610 mm) door size
3' 2'4' to 3' (660mm to 914mm) Door size
4' 2'8" to 4' (813mm to 1219mm) Door size
Device centerline from finished floor
39 13/16" (1006mm)
Center case
8 13 /16" x 1 9/16" x 2 13/32" (208mm x 40mm x 62mm)
Mechanism case
2 1 ⁄4" x 2 1 ⁄4" (57mm x 57mm)
Projection
Pushbar neutral – 3 13/16" (97mm)
Pushbar depressed – 3 1/16" (78mm)
Latch bolt
Deadlocking anti-friction top and bottom bolt 1/2" (13mm) throw
Door undercut
3⁄4" (19mm) maximum – 24231516 spacer block kit needed for 3/4" (19mm) undercut
Top and bottom latch case
5 13/16" x 1 1/4" x 1 7/16" (147mm x 32mm x 37mm)
Vertical cables
7/32" (6mm) diameter stainless steel cables
Finishes
605, 606, 612, 619 (35A only), 625, 626, 626AM, 628, 710, 711
Fasteners and sex bolts (SNB)
Includes 1 3/4" (44mm) – 2 1/4" (57mm) metal doors
#425 SNB furnished standard for end case
#325 SNB furnished standard for EO (exit only device)
Features available for Von Duprin 3549 Fire CVC LBL QEL Exit Device
Electrified options
ALK Alarm exit kit
CX Chexit delayed exit
EL Electric latch retraction
ESL Emergency Secure Lockdown
HD-EL Electric latch retraction with hex dogging
LX Latch bolt monitor switch (For 33/3549A devices, LX switch monitors trim input or electric dogging of EL/QEL devices. LX switch does not monitor latchbolt condition.)
LX-RX Request to exit / latchbolt monitoring (For 33/3549A devices, LX switch monitors trim input or electric dogging of EL/QEL devices. LX switch does not monitor latchbolt condition.)
QEL Quiet electric latch retraction
RX Request to exit,
WP-RX waterproof option
RX-LC, LX-LC, LX-RX-LC, Low current option for RX, LX, LX-RX
SS Signal switch
CON Allegion Connect
Mec options
AX Accessible Device
Misc options
GBK Glass bead kit
LBL Less bottom latch
PN Pneumatic
SEC Security screws
SG Safety glow
SNB Sex bolts
Please fill out a Quote Request Form, if you do not see an option listed.
Strikes
299 Top
349 Bottom
- Option:Choose Finish (Click here to see our Detailed Door Hardware Finish Guide):
- https://blog.locksandsafes.com/2020/07/28/lock-and-door-hardware-finishes/
