Schlage L9453 03 Lever Entranc...
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$1,389.00
$721.74

Schlage L9453 03 Lever Entrance Mortise Lock Grade 1 Single Cylinder Deadbolt

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Model: L9453P 03A 626
From the L9000 Series Collection
$1,389.00
$721.74
Selected Finish is
Selected Rose/Escutcheon is
Selected Cylinder is
Selected Keying is

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$1,389.00
$721.74
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Schlage L9453 03 Lever Entrance Mortise Lock Grade 1 Single Cylinder Deadbolt

The L9453 is a Grade 1 mortise lock in the Schlage L Series, configured for entrance/office applications with a single-cylinder thumbturn deadbolt. The outside lever is free unless locked by thumbturn; throwing the deadbolt simultaneously locks the outside lever. Inside egress is always free. UL listed for 3-hour fire doors.

L9453 Entrance Deadbolt Function

  • Latchbolt retracted by lever from either side unless outside is locked by 20° thumbturn rotation
  • Deadbolt thrown or retracted by 90° thumbturn rotation
  • When locked, outside key or inside lever retracts both deadbolt and latchbolt
  • Outside lever locked until thumbturn is restored to vertical position
  • Throwing deadbolt locks outside lever
  • Auxiliary latch deadlocks latchbolt when door is closed
  • Inside lever always free for immediate egress

Specifications

  • ANSI/BHMA: A156.13-2012, Series 1000, Grade 1 Operational and Grade 1 Security (conventional cylinder); Grade 1 Operational / Grade 2 Security with FSIC; Grade 1 Operational / Grade 3 Security with SFIC
  • Case Size: 4-7/16" x 6-1/16" x 1"
  • Armor Front: 1-1/4" x 8"
  • Standard Strike: 10-072, 1-1/4" x 4-7/8" square corner, 1-3/16" lip, box
  • Backset: 2-3/4"
  • Door Thickness: 1-3/4"
  • Substrate: CRS with Zinc Dichromate Plating
  • Standard Cylinder: Conventional 6-pin, C Keyway
  • Warranty: 3 Year Limited

Cylinder Options

  • P: Conventional 6-pin cylinder (C Keyway) - included
  • L: Less conventional cylinder (field-supplied)
  • J: Schlage FSIC less core
  • B: SFIC less prep core

Rose and Escutcheon Options

  • A: Wrought Rose
  • B: Wrought Rose (alternate)
  • N: Escutcheon
  • L: Full Face Escutcheon

Security Features

  • Anti-saw pin in deadbolt prevents cut-through
  • Security blocking hub prevents lock picking by removing levers
  • Breakaway spindle
  • Fusible link for fire door compliance
  • Field-reversible latchbolt
  • Floating mounting tabs

Certifications

  • ANSI/BHMA A156.13-2012, Series 1000, Grade 1
  • UL listed for 3-hour fire door
  • Meets Buy American Act (BAA)
  • ANSI/ASTM F476-76 Grade 40, UL listed
  • Meets ADA requirements
  • UL/cUL listed for A label single doors 4' x 10' and pairs 8' x 10'

Downloads and Resources

Manufacturer Resources

Product Specs

Subcategory:
Mortise Locks
Product Group:
Mechanical Locks
Series:
L Series
Function Description:
Latchbolt retracted by knob/lever from either side unless outside is locked by 20 degrees rotation of thumbturn. Deadbolt thrown or retracted by 90 degrees rotation of thumbturn.
Grade:
Grade 1
Duty Level:
Heavy Duty
Keyed Function:
Single Cylinder
Standard Cylinder:
Conventional 6-pin Cylinder, C Keyway (P option); Less Core options: J-FSIC, B-SFIC, L-Less Conv.
Handle Type:
Lever
Standard Strike:
10-072 1-1/4" x 4-7/8" Square Corner Strike, Box (1-3/16" Lip Length)
Mortise Case Size:
4-7/16" x 6-1/16" x 1"
Warranty:
3 Year Limited
Keyed:
Yes
ANSI/BHMA:
F20
Product Subgroup:
Mortise Locks and Trim
Product Type:
Mortise Locks
Commercial/Residential:
Commercial
Lock Type:
Mortise
Lock Function:
Entrance
Handle Design:
03 Lever
Lever/Knob Design:
03 Lever
IMAP Policy:
Yes
Product Attribute:
Mortise Locks
Electronic:
No
Product Model:
L9453
Collection:
L9000 Series
Product Function:
Entrance/Office
Door Hand Direction:
Handed
Door Thickness Range:
1-3/4"
Product Substrate:
CRS with Zinc Dichromate Plating
Product Category:
Mechanical Locks
Backset (Distance):
2-3/4"
Department:
Door Hardware
Armor Front:
1-1/4" x 8"

Schlage L9453P 03A 626 – Frequently Asked Questions

1) Will the Schlage L9453 mortise lock fit a 1-3/8 inch door?
No. The L9453 is built for 1-3/4 inch doors only, which is the standard commercial thickness. On a 1-3/8 inch door (common in older interior openings) you need a different lock. Among mortise locks in the same class, the Baldwin 6310 entry/storeroom mortise lock body covers 1-3/8 inch and over, and the Hager 3800 Series passage and office mortise locks cover 1-3/4 to 2-1/2 inches if your door is thicker than standard instead.
2) Does the L9453 entrance lock come with a strike, and what size is it?
A 10-072 strike ships with the lock: 1-1/4 x 4-7/8 inch square corner, box type, with a 1-3/16 inch lip length. If your frame is already prepped for a standard ANSI 4-7/8 inch square corner strike, the frame prep carries over. Round corner frames or a different lip length mean cutting the frame or sourcing a different strike.
3) How does the L9453 entrance/office function actually work day to day?
The outside lever stays free until someone turns the inside thumbturn 20 degrees, which locks it. A separate 90 degree turn of the thumbturn throws or retracts the deadbolt, and throwing the deadbolt also locks the outside lever. From outside, a key retracts both the deadbolt and the latchbolt in one motion; from inside, the lever does the same. The inside lever is always free, so you never get trapped behind it. The outside lever stays locked until the thumbturn goes back to vertical. That is the classic office door setup: unlocked during business hours, secured by the last person out without needing a key.
4) Is the Schlage L9453 handed, and do I need to specify left or right?
Handing applies to this lock, so the opening's hand matters when you order. The latchbolt itself is field reversible, so a lock can be adapted on site if the door turns out to swing the other way.
5) Can I put a Schlage L9453 on a 3-hour fire rated door?
Yes. The L9453 is UL listed for 3-hour fire doors, and UL/cUL listed for A label single doors up to 4 by 10 feet and pairs up to 8 by 10 feet. A fusible link is built into the lock for fire door compliance. It also meets ADA requirements and the Buy American Act, and carries ANSI/ASTM F476-76 Grade 40.
6) Which cylinder option do I order on the L9453 if we key our own buildings?
Four cylinder choices. P ships with a conventional 6-pin cylinder in the C keyway, ready to go. L is less conventional cylinder, so you supply your own mortise cylinder. J is prepped for Schlage full size interchangeable core and ships less core. B is prepped for small format interchangeable core, less core. If your facility already runs SFIC or an FSIC master system, order B or J and drop your own cores in. If you have no keying program, P is the one that arrives working.
7) Does the security grade change if I order the L9453 with an interchangeable core?
It does, and this catches people writing specs. With the conventional cylinder the lock is ANSI/BHMA A156.13-2012, Series 1000, Grade 1 Operational and Grade 1 Security. With FSIC it is Grade 1 Operational but Grade 2 Security. With SFIC it is Grade 1 Operational and Grade 3 Security. If your spec calls out Grade 1 security specifically, the conventional cylinder version is the one that meets it.
8) What is the closest cross-brand equivalent to the Schlage L9453 entrance mortise lock with deadbolt?
The Cal-Royal NM8050 is the nearest match in the comparable set: a heavy duty Grade 1 mortise lockset in the Entrance/Office function with auxiliary deadlatch, fitting 1-3/4 inch doors. The Schlage L9453 is also Grade 1 in the Entrance/Office function on 1-3/4 inch doors, with a single cylinder thumbturn deadbolt in the case. The functional difference to check on the drawing is the deadbolt: the L9453 carries a thumbturn-thrown deadbolt that locks the outside lever when thrown, while the NM8050 is described with an auxiliary deadlatch.
9) I need a Grade 1 mortise lock for a classroom door, not an entrance door. What should I order instead of the L9453?
The L9453 is built for the Entrance/Office function, where the outside lever is free unless the thumbturn locks it. For a classroom opening, the Cal-Royal NM8070 is a heavy duty Grade 1 mortise lockset in the Classroom function on 1-3/4 inch doors, and the Corbin Russwin ML2003 is a Grade 1 mortise classroom lockset in the ML2000 Series, also 1-3/4 inch. Both keep the mortise case prep and door thickness the same as the L9453, so the door itself does not change.
10) The opening needs to stay locked at all times with key access only. Is the L9453 the right function or do I need a storeroom lock?
The L9453 is an entrance function: the outside lever is free until someone rotates the thumbturn, so it depends on a person to secure it. For an always-locked opening, a storeroom function is the correct call. The Accentra 8805FL is a Grade 1 storeroom mortise lock in the 8800 Series with the Arcadia lever, and the Cal-Royal NM8080 is a heavy duty Grade 1 storeroom mortise lockset with an interchangeable core option on 1-3/4 inch doors.
11) I want keypad or credential access on this opening instead of a key. What replaces a mechanical L9453 mortise lock?
The L9453 is a mechanical lock with no electronic option, keyed with a conventional 6-pin C keyway cylinder or supplied less core for FSIC or SFIC. If the opening needs code or credential access in the same mortise prep, the Alarm Lock DL3500CR is a Grade 1 Trilogy electronic mortise lock with 300 user codes in the classroom function, the Schlage Electronics LEMD-GRW is a Grade 1 ENGAGE Series wireless mortise lock with a 125kHz proximity reader and a 3 hour fire rating, and the TownSteel FME-2000 is a Grade 1 heavy duty mortise lockset with RFID on 1-3/4 inch doors.
12) Is the Baldwin 6301 a drop-in substitute for the Schlage L9453 mortise lock?
It is not a drop-in. The Baldwin 6301 is an entry/apartment mortise lock body on a 2-1/2 inch backset, offered knob by knob or, as the 6301LS, lever by lever, for doors 1-3/4 inch and over. The L9453 uses a 2-3/4 inch backset, so the cylinder and spindle centerlines do not land in the same place and the existing mortise pocket and armor front cutout will not line up.
13) For a behavioral health or patient room, is the L9453 suitable or do I need anti-ligature trim?
The L9453 uses an 03 lever on wrought rose or escutcheon trim, which projects and is not designed for ligature resistance. For those rooms, the TownSteel MRX-L-01 is a Grade 1 heavy duty stainless steel anti-ligature lever mortise lockset in the passage function for 1-3/4 inch doors, the MRX-A-01 is the same passage function with satin stainless ligature resistant arch trim, and the Marks USA 5PDN is a Grade 1 hospital passage mortise push/pull paddleset that is ligature resistant and ADA compliant in satin stainless steel.
14) The opening needs to release on an access control signal. Can the L9453 be electrified or do I need a different lock?
The L9453 is a mechanical lock and is not electronic. For a remotely controlled mortise opening, the Command Access ML190 Series is a heavy-duty motorized mortise lock in the storeroom function with field selectable fail safe or fail secure operation on 24VDC, and the BEST 45HW is a heavy duty wired electromechanical mortise lock with 12V or 24V operation. Both take a signal from the access control panel, which the mechanical L9453 does not.
15) Which mortise locks besides the L9453 carry a 3 hour fire rating for a fire-rated opening?
The L9453 is UL listed for 3 hour fire doors and carries a fusible link. Among the alternatives, the Schlage Electronics LEMD-GRW ENGAGE Series wireless mortise lock is Grade 1 with a 3 hour fire rating, and the LEBMB-ADD mobile-enabled mortise lock with push button and LED is Grade 2 with a 3 hour fire rating on 1-3/4 inch doors. The Falcon MA101 Grade 1 passage mortise lock is also fire rated. Match the grade to the spec: the L9453 and LEMD-GRW are Grade 1, the LEBMB-ADD is Grade 2.
16) We already use small format interchangeable cores across the building. Which mortise locks accept our cores?
The L9453 is available in the B option prepped for an SFIC less core, and in the J option for a Schlage FSIC less core, so your existing cores drop in. On the alternatives, the Cal-Royal NM8080 heavy duty Grade 1 storeroom mortise lockset is offered with an interchangeable core option on 1-3/4 inch doors, and the BEST 45HZ EZ Series electronic keypad mortise lock provides a key override function. Note the security rating shifts with the cylinder on the L9453: Grade 1 operational with Grade 1 security on a conventional cylinder, Grade 2 security with FSIC, Grade 3 security with SFIC.
17) Can I put an L9453 on an aluminum storefront or glass entrance door?
The L9453 is specified for a 1-3/4 inch wood or hollow metal door with a 2-3/4 inch backset and a 4-7/16 by 6-1/16 by 1 inch mortise case, which a narrow storefront stile will not accept. For those openings, the Alarm Lock DL1300NW is a Trilogy Networx wireless electronic mortise lock with keypad built for Adams Rite deadlatches, the Dormakaba E-Plex 2066 electronic pushbutton keyless mortise lock is a wide stile product, and the Kaba Ilco BR Series is a glass door bottom rail lock.
18) Should I use a mortise lock like the L9453 or a separate deadbolt above a cylindrical lockset?
The L9453 puts the latch and the deadbolt in one case, so there's one pocket in the door, one strike in the frame, and a key retracts both bolts at once for egress. Two separate devices means two preps, two keys to turn, and a second bolt someone can leave thrown. Where you genuinely want an independent deadbolt, or a double cylinder deadbolt with a key both sides, that is a different part such as the Sargent 4874 double cylinder mortise deadbolt on a 2-3/4 inch backset. Where the door only needs a bolt and no lever at all, the Alarm Lock DL4500 electronic mortise deadbolt covers that.
19) What is the difference between the L9453 entrance function and a storeroom or classroom mortise lock?
Entrance/office means the outside lever can be left unlocked all day and locked by thumbturn from inside, with a deadbolt on top. Storeroom keeps the outside lever locked at all times with key access only, which is what you want on a mechanical room or supply closet, and the Cal-Royal NM8080 or Accentra 8805FL cover that. Classroom locks by key from the outside only, so nobody can lock a teacher out by accident, and the Cal-Royal NM8070 or Corbin Russwin ML2003 do that job. If the L9453 is going on a room that should never be left unlocked, entrance is the wrong function.
20) Is there another Grade 1 entrance/office mortise lock that matches the Schlage L9453?
The Cal-Royal NM8050 is the closest straight equivalent in the set: Grade 1, entrance/office function, heavy duty, 1-3/4 inch door, with an auxiliary deadlatch. Same opening, same function class. Where the two differ is keying ecosystem, so if the building is already on Schlage C keyway the L9453 keeps everything on one system.
21) Can I get several L9453 locks keyed alike for one building?
Keying is specified at order: keyed different is the standard, keyed alike is available when you want one key to open a run of doors, or you can order with no keying when you're taking a less-cylinder or less-core option and supplying your own. There's also a free text field for special cylinder or keying requirements, which is where a master key system or an existing keyway gets noted.
22) What rose and escutcheon styles does the L9453 come in, and which one hides an old prep?
Four trim choices: A wrought rose, B wrought rose, N escutcheon, and L full face escutcheon. Roses are compact and show more of the door face. The escutcheon and especially the full face escutcheon cover a larger area, which is what you want when you're replacing older trim and there are existing holes or wear marks around the lock area on the door face.
23) What finishes can I get the Schlage L9453 lever lock in to match our other doors?
Twelve finishes: 605 bright brass, 606 satin brass, 609 antique brass, 612 satin bronze, 613 oil rubbed bronze, 619 satin nickel, 622 matte black, 625 bright chrome, 626 satin chrome, 629 bright stainless steel, 630 satin stainless steel, and 643E aged bronze. Commercial buildings most often standardize on 626 satin chrome or 630 satin stainless; if you're matching an existing fleet, match the BHMA number stamped on what's already on the doors rather than the finish name.
24) How secure is the L9453 against someone pulling the lever off or sawing the bolt?
Three things address that specifically. An anti-saw pin sits in the deadbolt to stop cut-through attacks. A security blocking hub means removing the levers does not open the lock, which defeats a common forced-entry shortcut. A breakaway spindle protects the internals if the lever is wrenched. The case is cold rolled steel with zinc dichromate plating, and an auxiliary latch deadlocks the latchbolt as soon as the door closes, so the latch cannot be loided with a card.
25) Do I need the L9453 if the door only needs a deadbolt and no lever?
No. The L9453 combines a lever-operated latchbolt with a thumbturn deadbolt in one Grade 1 mortise case. If the opening needs the bolt alone, the Sargent 4874 is a double cylinder mortise deadbolt on a 2-3/4 inch backset, which is the same backset the L9453 uses, and the Kaba Ilco 185 Series is a deadbolt-function mortise lock supplied with no handing. Note the difference in keying: the L9453 is a single cylinder with an inside thumbturn, while the 4874 is keyed on both sides.
26) What is a simpler mortise lock than the L9453 for an interior door that does not need to lock?
For a non-locking opening, a passage mortise lock removes the cylinder and deadbolt entirely. The Falcon MA101 is a Grade 1 heavy-duty mortise passage lock in the MA Series with field reversible operation and a fire rating. The Hager 3810S and 3810E are Grade 1 passage mortise locks on a 2-3/4 inch backset, the same backset as the L9453, offered with rose trim and escutcheon trim respectively for doors 1-3/4 inch to 2-1/2 inch. The L9453 by contrast is keyed with a single cylinder deadbolt.
27) Can I use the L9453 on a restroom or bedroom door, or is a privacy lock the right part?
The L9453 is a keyed entrance lock with a single cylinder deadbolt, so it takes a key on the outside. A privacy opening does not want a keyway. The Cal-Royal NM8440 is a heavy duty Grade 1 privacy mortise lockset with deadbolt on 1-3/4 inch doors, and the Hager 3840S is a Grade 1 privacy mortise lock on a 2-3/4 inch backset for doors 1-3/4 inch to 2 inch. Both cover the bed and bath function that the L9453 does not.
28) How does the Sargent 7925 differ from the L9453 if both have a single cylinder deadbolt?
Both are Grade 1 heavy duty mortise locks with a single cylinder deadbolt, and the 7925 comes with rose trim, matching one of the trim styles the L9453 offers alongside escutcheon and full face escutcheon. The function is where they part: the 7925 is a Sargent 7900 Series lock in the corridor/dormitory exit function, while the L9453 is an Entrance/Office function where throwing the thumbturn deadbolt locks the outside lever and the inside lever always retracts both bolts for egress.
29) Will a Sargent 130KB or 130W thumbturn work as a replacement part for a Schlage L9453?
Those are trim pieces, not locks. The Sargent 130KB is a standard duty mortise thumbturn from the 8200 Series and the 130W is a mortise thumbturn with a round backplate from the 7800 Series. The L9453 is a complete Grade 1 mortise lock with a 4-7/16 by 6-1/16 by 1 inch case, an 03 lever, and a thumbturn that rotates 20 degrees to lock the outside lever and 90 degrees to throw the deadbolt. Ordering a Sargent thumbturn gets you a Sargent trim component, not Schlage L Series trim.
30) The Emtek Brisbane and Manhattan mortise entrance locksets look similar. Can either take the place of an L9453?
No. The Emtek 3019 Brisbane, 3102 Memphis, 3104 Hamilton, and 3106 Manhattan mortise entrance locksets are all dummy function, meaning no latch operation and no locking. The L9453 is a keyed Grade 1 entrance lock whose lever retracts a latchbolt and whose thumbturn throws a deadbolt. A dummy set is the right part only for an inactive leaf.
31) Is a BEST 45H mortise lock body the same thing as ordering an L9453?
They are sold at different levels of completeness. The BEST 45HCAC is a heavy duty mortise lock body in the 45H Series in the public entrance function with field reversible operation, and the 45HCAINL is a 45HCA heavy duty mortise lockbody in the intruder function. Those are bodies. The L9453 ships as a heavy duty Grade 1 assembly with the 03 lever, a rose or escutcheon, and a conventional 6-pin C keyway cylinder in the P option, or less core if you are supplying FSIC or SFIC.
32) Does the L9453 come handed, and which mortise locks are non-handed if I do not know the door swing yet?
The L9453 is a handed lock, though its latchbolt is field-reversible. If you are ordering before the swing is confirmed, the Kaba Ilco 185 Series mortise locks ship with no handing, the Falcon MA101 Grade 1 heavy-duty mortise passage lock is field reversible, and the BEST 45HCAC public entrance mortise lock body offers field reversible operation. The Baldwin 6310190RRLS, by contrast, is specified right hand reverse.
33) What are the alternatives to the L9453 for a card or mobile credential entry door in a multifamily building?
The L9453 is keyed only, with a conventional 6-pin C keyway cylinder in the P option. For credential access, the Dormakaba LX-I-M002 Saffire is an electronic RFID mortise lockset with BLE mobile access at BHMA Grade 2, the Dormakaba E-Plex E5086 is a Grade 1 entry/egress electronic pushbutton and card back to back mortise lock, and the Schlage Electronics LEBMB-ADD is a Grade 2 mobile-enabled mortise lock with push button and LED covering privacy, office, and apartment functions on 1-3/4 inch doors. Check the grade against your spec, since the L9453 is Grade 1.
34) Is the Schlage L9453 an electronic or access control lock?
No, it's fully mechanical, keyed with a lever and thumbturn. If you need credential or keypad access on a mortise prep, that is a different product line: the Schlage CO-100 standalone electronic mortise lock with keypad, or the ENGAGE Series LEMD wireless mortise lock with a 125kHz proximity reader for a managed system. Both are separate items from this mechanical L9453.
35) Is the L9453 heavy enough for a high traffic entrance in an apartment building or school?
It's rated heavy duty, commercial, Grade 1 under ANSI/BHMA A156.13-2012 Series 1000, which is the highest operational grade for mortise locks and the usual specification for high traffic institutional openings. The lock also carries the F20 ANSI function designation, which is what shows on a hardware schedule for an entrance lock with deadbolt.
36) What does the 03 in Schlage L9453 03 refer to?
03 is the lever design, the shape of the handle itself. The L9453 part of the number is the function (entrance with single cylinder deadbolt) within Schlage's L9000 Series of L Series mortise locks. When you order, the lever design, the rose or escutcheon, the cylinder option, and the finish are all specified separately, so 03 fixes only the lever style.
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Does the Schlage L9453P 03A 626 come with a warranty?
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