Von Duprin QEL3548AEO | Grade 1 Narrow Stile Concealed Vertical Rod Exit Device For Hollow Metal Single and Double Doors with Quiet Electric Latch Retraction, Smooth Mechanism Case
The Von Duprin QEL3548AEO is a grade 1 concealed vertical rod exit device featuring quiet electric latch retraction. The Von Duprin QEL3548A concealed vertical rod device is built for hollow metal single and double doors and fits door stiles as narrow as 2-1/8" (44 mm). This Von Duprin QEL3548 cvr exit device with qel allows remote latch retraction. Latch retraction can be either momentary or for extended time periods. The quiet electric latch retraction feature of this Von Duprin QEL3548 concealed vertical rod exit device allows this device to be installed in places where low operational noise is desired, such as theaters, hospitals, museums etc. This Von Duprin QEL3548 concealed vertical rod exit device is your answer to 'exit device for theaters', 'hospital hollow metal door exit device', 'museum metal door concealed vertical rod exit device', 'quiet latch retraction concealed vertical rod device', 'quiet latch retraction cvr for library'.
Specifications of Von Duprin QEL3548A Concealed Vertical 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" (1006mm) Standard, adjustable from 35 5/8" (905mm) to 49 5/8" (1260mm)
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 3/4" (19mm) throw
Deadlocking anti-friction top and bottom bolt 1 1/2" (38mm) throw
Door undercut
3⁄4" (19mm) maximum
Top and bottom latch case
4 1/2" x 2 7/8" x 1 1/2" (114mm x 54mm x 38mm)
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 QEL3548 CVR ELR 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
PN Pneumatic
SEC Security screws
SG Safety glow
SNB Sex bolts
Dogging feature
Hex dogging standard
CD Cylinder dogging
CDSI Cylinder dogging with security indicator
HDSI Hex dogging with security indicator
LD Less dogging
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/
