Von Duprin QEL3349AEO-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, Grooved Mechanism Case
The Von Duprin QEL3349AEO-F LBL is a grade 1, fire rated concealed vertical cable less bottom latch exit device featuring quiet electric latch retraction. The quiet electric latch retraction feature facilitates remote retraction of the latchbolt. Now you do not have to physically go to the door to retract the latch. Quiet electric latch retraction feature is an alternative to electric latch retraction. With quiet electric latch retraction, this Von Duprin QEL3349-F-LBL fire concealed vertical cable less bottom latch exit device can be used in places where low operational noise is required, like museums, librariers, theaters and hospitals.
This Von Duprin QEL3349-FLBL fire cvc lbl exit device can be used in place of a traditional concealed vertical rod device when installation conditions are not ideal. For example, if the top latch, device centerline and bottom latch are not vertically aligned, then the flexibility and slack in the cable system allows the device to function properly. The device requires less maintenance than a concealed vertical rod device.
Specifications of Von Duprin QEL3349A-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 3349 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/
