Von Duprin QEL3547AEO LBR | Grade 1 Narrow Stile Concealed Vertical Rod Less Bottom Rod Exit Device with Quiet Electric Latch Retraction, Smooth Mechanism Case
The Von Duprin QEL3547AEO LBR is a grade 1, narrow stile concealed vertical rod less bottom rod exit device with quiet electric latch retraction. Now you do not have to go to the door to manually retract the latch to allow free entry and exit. With the Von Duprin QEL3547A LBR, this task can be easily achieved remotely with the push of a button. The Von Duprin QEL3547A-LBR concealed vertical rod less bottom rod exit device allows momentary latch retraction and also for extended time periods. This qel is a quieter alternative to an elr mechanism, so you can install the device in places where low operational noise is required, such as hospitals, theaters, libraries, museums etc.
The Von Duprin QEL3547-LBR is a popular exit device. Being less bottom rod, it is easy to install and requires less maintenance. The device comes with a deadlocking latch for security. The device comes with a smooth mechanism case.
Specifications of Von Duprin QEL3547A-LBR Concealed Vertical Rod Less Bottom Rod Exit Device with Quiet Electric Latch Retraction
Device lengths
2' 2' (610 mm) door size
3' 2'4' to 3' (711mm to 914mm) Door size
4' 2'10" to 4' (864mm to 1219mm) Door size
Device centerline from finished floor
39 13⁄16" (1006mm)
Center case
8 3 /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, 5/8" (16mm) throw
Door undercut
1 ⁄4" (7mm)
Top and bottom latch case
3 3/4" x 1 1/2" x 1" (89mm x 38mm x 25mm)
Vertical rods
Round 2 piece adjustable rods
Top rod adjustable from 6'8" (2027mm) to 8'4" (2533mm)
Bottom rod adjustable from 35 5/8" (905mm) to 49 5/8" (1260mm)
Extension rod kits available for doors over 8'4" (2533mm)
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) wood and metal doors
#425 SNB furnished standard for end case
#325 SNB furnished standard for EO (exit only device)
Features available for Von Duprin QEL3547LBR CVR LBR 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
LX-RX Request to exit / latchbolt monitoring
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
Misc options
GBK Glass bead kit
HH Hurricane
INS-2/INS-4 Insulclad kits 1/2" / 1/4" panels
LBR Less bottom rod
PL Pullman 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
388 (Top) Unfinished
385A (Bottom) Unfinished
- 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/
