Chexit, Mortise lock device, Features – Factory Direct Hardware Von Duprin CX9947EO3 User Manual
Page 4: Dimensions, Strikes and fasteners, Device option
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5
Chexit
™
Mortise Lock Device
575
575-2
576A
576B
CX9875 and CX9975 mortise lock devices for all types of single doors or double doors, UL listed for
accident hazard installations. Fits stock hollow metal doors with 86 cutout, and door stiles as narrow as
4-3/4" (121mm).
CX9875-F and CX9975-F fire exit mortise lock devices for all types of 4' x 10' (1219mm x 3048mm) single
doors or 8' x 8' (2438mm x 2438mm) double door installations, UL listed for A, B, C, D or E fire-labeled
installations. Fits door stiles as narrow as 4-3/4" (121mm).
Features
• Nonhanded
• 3/4" (19mm) throw, anti-friction latch bolt
• Full reversible mortise lock
• Latch bolt deadlocking
• Field sizeable
• Eight popular finishes
Dimensions
Touchbar height to finished floor
39-5/8" (1006mm) at center
Latch bolt height to finished floor
40-3/32" (1018mm) at center
Touchbar projection —
neutral
3-13/16" (97mm)
depressed
3-1/16" (78mm)
Center case
8" x 2-1/4" x 2-3/4" (203mm x 57mm x 70mm)
Device length — Short 3' (914mm)
2'10" to 3' (864mm to 914mm) door size
Long 4"
1
(1219mm)
3'4" to 4' (1016mm to 1219mm) door size
Lock case
4-5/8" x 5-3/4" x 1-1/16" (118mm x 146mm x 27mm)
Faceplate
1-1/4" x 8" x 7/32" (32mm x 203mm x 6mm)
Cylinder backset
2-3/4" (70mm)
Strikes and Fasteners
Device is furnished with standard 575 strike in dull black finish. For optional strikes, finishes and dimensions
refer to page 10.
575 Strike — for use on 1-3/4" (44mm) or 2-1/4" (57mm) single doors and 2-1/4" (57mm) double doors
with coordinator.
575-2 Strike — for use on 1-3/4" (44mm) double doors with coordinator.
576A Strike — open back strike for 1-3/4" (44mm) double doors without coordinator.
576B Strike — open back strike for 2-1/4" (57mm) double doors without coordinator.
A combination of fasteners are included for surface mounting and through bolting to trim on 1-3/4" (44mm)
and 2-1/4" (57mm) thick doors.
Device Option
Cylinder dogging, page 13
For How-To-Order Information on all devices, see page 17.
For electrical specifications, see page 16.
For power supply and power transfer information, see page 12.
Standard 1-1/4" (32mm) mortise cylinder
must be ordered separately.
When using Chexit mortise lock,
the outside trim will operate the
door without affecting the device
in an armed conditioned, if a
door position switch is not used.
The 7500 Mortise lock is
equipped with a 3/4" (19mm)
anti-friction latch bolt which is
field reversible without removing
the lock from the door. It has a
nonhanded auxiliary bolt for
deadlocking, and a faceplate
which has an adjustable bevel.
Field selection of functions are
furnished standard. TP, K or L
function may be field selected
by adjusting a set screw. Electric
locking and unlocking, and
signal switch options are
available, refer to page 11.