Von Duprin QEL3347AEO-F LBR | Grade 1, Fire Rated Narrow Stile Concealed Vertical Rod Less Bottom Rod Exit Device with Quiet Electric Latch Retraction, Grooved Mechanism Case
The Von Duprin QEL3347AEO-F is a grade 1, ul listed for fire, concealed vertical rod less bottom rod exit device for narrow stile double doors. The device features quiet electric latch retraction, an alternative to manual dogging. Now you can remotely retract the latchbolt. Latch can be retracted either momentary or for extended time periods. Exit devices with quiet electric latch retraction such as this Von Duprin QEL3347A-F are best used in places where low operational noise is required, such as hospitals, museums, libraries and theaters.
This Von Duprin QEL3547-F fire cvr lbr with qel is a popular device because it is durable, secure and performance oriented. The device is designed so that future in-field upgrades are easy to perform - so now you do not have to stress about configuring your device for adding variations in the field. This Von Duprin QEL35 fire concealed vertical rod less bottom rod with quiet electric latch retraction is your answer to 'exit device for hospital', 'cvr exit device museum', 'fire cvr for library', 'fire concealed vertical rod for theaters'.
Specifications of Von Duprin QEL3347A-F LBR Fire 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' (660mm to 914mm) Door size
4' 2'8" to 4' (813mm to 1219mm) Door size
Device centerline from finished floor
39 13/16" (1006 mm) standard; adjustable from 35 5/8" (905mm) to 49 5/8" (1260mm)
Center case
8 13/16" x 2 13/32" x 1 9/16" (208mm x 62mm x 40mm)
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 QEL3347A Fire CVR LBR with 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
LBR Less bottom rod
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
Optional strikes
- 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/
