Accentra 4604LN Grade 2 Entry ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$167.00
$63.67
Yale Commercial Yale 4604LN Grade 2 Entry Cylindrical Lever Lock Monroe Trim Design YAL-MO4604LN

Accentra 4604LN Grade 2 Entry Cylindrical Lever Lock with Monroe Trim Design

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Model: YAL-MO4604LN-626
From the 4600 Series Collection
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$167.00
$63.67
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Accentra 4604LN Grade 2 Entry Cylindrical Lever Lock with Monroe Trim Design

Professional Commercial-Grade Cylindrical Lock Solution

The Accentra 4604LN cylindrical lever lock delivers reliable entrance function performance with ANSI/BHMA Grade 2 certification and UL fire-rating up to 3 hours. This heavy-gauge steel mechanism features adjustable door thickness from 1-3/8" to 1-3/4", 2-3/4" standard backset, and 1/2" stainless steel latchbolt throw for consistent commercial operation. The Monroe trim design combines professional aesthetics with ADA compliant accessibility in a non-handed reversible configuration.

Professional Features & Benefits

  • ANSI/BHMA: A156.2, Series 4000 Grade 2
  • UL-cUL: UL-cUL fire-rated up to 3 hours
  • Windstorm: 4600LN Certified (refer to local codes)
  • Mechanism: Heavy-gauge steel, die-cast, zinc-plated, chromated
  • Backset: 2-3/4" standard; 2-3/8" to order
  • Latchbolt: 1/2" stainless steel throw standard
  • Guardbolt: Deadlocks latchbolt when door is closed; standard on all locking functions
  • Door Thickness: Adjustable from 1-3/8" to 1-3/4".
  • Fronts: Universal for both flat and beveled door edges
  • Cylinders: Brass, 6-pin, keyed-random cylinder with two keys furnished standard, 7-pin not available. 6 and 7 pin SFIC available.
  • Reversibility: Non-handed
  • Strikes: 1-1/4" curved lip for 1-3/4" door standard; other lip lengths to special order; all reversible.
  • Finishes: Available in 7 finishes
  • Warranty: 3-year mechanical

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
  4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
  5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
  6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose Accentra Quality?

Accentra cylindrical lever locks deliver professional-grade reliability with heavy-gauge steel construction and ANSI/BHMA Grade 2 certification for demanding commercial applications. UL fire-rating up to 3 hours and 3-year mechanical warranty provide added confidence for critical entrance applications. Engineered for consistent performance where dependable access control and code compliance are essential.

Product Specs

Series:
4600 Series
Subcategory:
Cylindrical
Grade:
Grade 2
Keyed Function:
Single Cylinder
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Leversets
Keyed:
Yes
Commercial/Residential:
Commercial
Lock Type:
Cylindrical
Handle Type:
Lever
Lock Function:
Entrance
Product Attribute:
Cylindrical Locks
Product Model:
YAL-4604LN
Collection:
4600 Series
Product Function:
Entrance
Lever Design Name:
Monroe Lever
Product Category:
Mechanical Locks
Department:
Door Hardware

Accentra YAL-MO4604LN-626 – Frequently Asked Questions

1) Will the Accentra 4604LN lever lock fit a 1-3/8 inch door, or is it only for 1-3/4?
Both. The 4604LN adjusts across 1-3/8 to 1-3/4 inch doors, so one part number covers older interior doors and standard commercial doors. If your openings run thicker than 1-3/4, this is not the lock; a Falcon K101 covers 1-3/8 to 2-1/4 inches and a Hager 2525 entry lock covers 1-3/8 to 2 inches.
2) What backset does the Accentra 4604LN come with, and can I get 2-3/8 for a narrow door?
Standard is a 2-3/4 inch backset. A 2-3/8 inch backset is available but it has to be specified on the order, not swapped in the field. Check the existing cross-bore centerline before ordering: 2-3/8 and 2-3/4 are the two common backsets and the wrong one will not line up with the prepped hole.
3) Do I have to specify handing when I order the 4604LN Monroe lever?
No. The 4604LN is non-handed and reversible, and the strike is reversible too. The front is universal for flat or beveled door edges, so one lock covers left and right hand openings in a building without stocking two versions.
4) Is the Accentra 4604LN approved for a fire rated door?
Yes. The 4604LN carries UL-cUL fire rating up to 3 hours and is certified to ANSI/BHMA A156.2, Series 4000, Grade 2. The guardbolt deadlocks the latchbolt when the door closes, which is standard on all locking functions in the series. The 4600LN is also windstorm certified, though you should confirm against your local code before relying on that.
5) What does entrance function mean on the 4604LN, and is it the right lock for an office door?
Entrance function means the outside lever can be locked, and a key retracts the latch from outside. It is the usual choice for a tenant or office door where the occupant controls whether the door is locked. It is a single cylinder, keyed lock with the Monroe lever trim. If you need a door that always stays locked outside and free egress inside, a storeroom function is the better call, such as the Cal-Royal AG05 or the Hager 2580 with Withnell lever. For a classroom, look at the Cal-Royal AG03.
6) Will the 4604LN latch into the strike that is already in my frame?
The latchbolt is stainless steel with a 1/2 inch throw, and the lock ships with a 1-1/4 inch curved lip strike sized for a 1-3/4 inch door. If your frame has a different lip length, other lips are a special order item, and all of them are reversible. Measure from the frame face to the stop to pick the lip length.
7) Can I put the 4604LN on an existing small format interchangeable core master key system?
Yes. The 4604LN is furnished standard with a brass 6-pin keyed random cylinder and two keys, and 6 and 7 pin SFIC versions are available. Note that a 7-pin conventional cylinder is not offered, so if you run a 7-pin conventional system you will need to go SFIC instead.
8) What is the closest equivalent to the Accentra 4604LN entrance lever from another brand?
The Accentra 4604LN is a Grade 2 cylindrical entrance lever lock. The closest direct counterpart is the Hager 2525, a Grade 2 commercial cylindrical entry lock with a lever handle, rated for doors 1-3/8 inch to 2 inch. Falcon also offers the B511CP6D, a Grade 2 cylindrical lever with entry/office function in a medium duty build. Both cover the same keyed entrance opening as the 4604LN; the 4604LN carries the Monroe lever trim design, while the Hager 2525 and Falcon B511CP6D use their own lever styles.
9) The opening does not need a key - what non-keyed lever takes the place of the Accentra 4604LN?
The 4604LN is a keyed single-cylinder entrance lever. For a corridor, hall or closet door that only needs latching, the Grade 2 Falcon B101 cylindrical passage lever is non-handed, and the Hager 2510 Grade 2 passage lever with Withnell design fits 1-3/8 inch to 2 inch doors. For a heavier passage opening, the Falcon K101 is Grade 1, fire rated, and covers 1-3/8 inch to 2-1/4 inch doors. For a door leaf that only needs pull trim with no latch at all, the BEST 7KC Series 1DT single dummy trim lever is the Grade 2 choice.
10) What is the difference between the Accentra 4604LN and the Cal-Royal AG00 entrance lever?
Both are Grade 2 keyed entrance levers. The Accentra 4604LN ships with a brass 6-pin keyed-random cylinder and two keys, with 6 and 7 pin SFIC available, and uses a 2-3/4 inch standard backset with 2-3/8 inch to order. The Cal-Royal AG00 is supplied with a 6-pin Schlage C keyway keyed different cylinder on a 2-3/8 inch backset, for doors 1-3/8 inch to 1-3/4 inch. If the building is keyed to a Schlage C system, the AG00 arrives in that keyway; if the backset prep is 2-3/4 inch, the 4604LN is the standard fit.
11) The door needs to stay locked from outside at all times - is the 4604LN the right function or should I use a storeroom lock?
The Accentra 4604LN is an entrance function, so the outside lever can be left unlocked or locked by the occupant. For an opening that must stay secured from the outside with key access only, use a storeroom function instead: the Hager 2580 is a Grade 2 storeroom cylindrical lock with the Withnell lever for 1-3/8 inch to 2 inch doors, and the Cal-Royal AG05 is a Grade 2 storeroom lever lockset with a deadlocking latchbolt for 1-3/8 inch to 1-3/4 inch doors. For a classroom opening keyed from the outside, the Cal-Royal AG03 classroom lever uses a 2-3/4 inch backset, matching the 4604LN standard prep.
12) My doors are 2 inches thick - will the Accentra 4604LN fit, or do I need something else?
The Accentra 4604LN adjusts from 1-3/8 inch to 1-3/4 inch, so a 2 inch door is outside its range. For a 2 inch leaf, the Hager 2525 Grade 2 entry lever covers 1-3/8 inch to 2 inch, and the Dexter C1000 asylum function lever is Grade 1 for 1-3/8 inch to 2 inch. The Corbin Russwin CL3100 series Grade 1 passage lever covers 1-3/4 inch to 2 inch if the opening does not need a key.
13) What finishes does the Accentra 4604LN Monroe lever come in?
Six finish choices: 605 bright brass, 606 satin brass, 613E dark oxidized satin bronze equivalent, 625 bright chrome, 626 satin chrome, and BSP black suede powder coat. For matching a building already running commercial hardware, 626 satin chrome is the usual standard; 613E is the one to pick against dark bronze storefront and exterior trim.
14) Is a Grade 2 cylindrical lever enough for a commercial corridor, or should I be buying Grade 1?
Grade 2 covers most commercial office, retail and multi-tenant residential doors, and the 4604LN is built for that duty with a heavy-gauge steel, die-cast, zinc-plated and chromated mechanism. On high-abuse openings such as school corridors or public restrooms, step up to Grade 1: the Dexter C1000 series and the Falcon K101 and T101 are Grade 1 cylindricals, and the Corbin Russwin CL3100 series adds vandal resistance.
15) I need matching passage and privacy levers for the same building. What pairs with the Accentra 4604LN?
The 4604LN is the entrance function in the Accentra 4600LN series with the Monroe lever, so the other functions in that same series and lever design are what match visually. If you are buying across brands instead, keep the lever design consistent within a brand family: Hager pairs the 2525 entry, 2510 passage and 2540 with the same Withnell lever, and Falcon's B series covers B101 passage alongside the B511CP6D entry/office.
16) Is the Monroe lever on the 4604LN ADA compliant?
Yes. The Monroe trim is an ADA compliant lever design, so it operates without tight grasping or wrist twisting. That is the main reason to run levers rather than knobs on accessible routes in commercial, healthcare and education buildings.
17) Can I use a Grade 3 entrance lever in place of the Accentra 4604LN?
Only where the opening does not call for commercial Grade 2. The Accentra 4604LN is an ANSI/BHMA A156.2 Grade 2 commercial lock, UL-cUL fire rated up to 3 hours. Lighter alternatives include the Cal-Royal AUS00 Grade 3 entrance/office lever with a solid brass forged body for 1-3/8 inch to 1-3/4 inch doors, the Callan Artino Grade 3 entrance leverset, and the Master Lock RL Series Grade 3 keyed entry lever. On a fire-rated door assembly or a spec that names Grade 2, the 4604LN is the one that matches.
18) Is a keypad lever like the Lockey 2835 a substitute for the Accentra 4604LN?
They solve different access problems. The Accentra 4604LN is a keyed mechanical entrance lever using a brass 6-pin cylinder with two keys furnished. The Lockey 2835 is a mechanical pushbutton keyless lever with passage function for doors 1-3/16 inch to 2 inch, and the Lockey 1150 is a mechanical keypad lever set with double combination and passage function for 1-1/8 inch to 2 inch doors. The Delaney LP250 is an electronic keypad leverlock at Grade 2. If credentials need to be a code rather than a key, those are the direction; if the building is on a key system, the 4604LN keys into it.
19) Which lever should I use for the bathroom doors if I am putting Accentra 4604LN locks on the entries?
The 4604LN is a keyed entrance function and is not intended for a bath or bedroom door. For privacy openings, the Hager 2540 is a Grade 2 privacy cylindrical lock with the Withnell lever for 1-3/8 inch to 2 inch doors, and the Arrow MK02-TA is a privacy cylindrical lock with a Tudor knob and a fire rating. In residential-grade work, the Kwikset 300BRNL Breton privacy lever set is Grade 3 for 1-3/8 inch to 1-3/4 inch doors.
20) I want a knob instead of the Monroe lever on the Accentra 4604LN - what entrance knob lock is comparable?
The Accentra 4604LN uses the Monroe lever trim, which is ADA compliant. If the opening calls for a knob rather than a lever, the Arrow HK11 turn-pushbutton entrance cylindrical lock with a ball knob and conventional cylinder covers the same 1-3/8 inch to 1-3/4 inch door range at Grade 2. Keep in mind that a knob does not provide the ADA-compliant operable trim the Monroe lever does, so check the accessibility requirements for the opening first.
21) Is the Baldwin 5103 or a Deltana entry lever an alternative to the Accentra 4604LN for a commercial building?
They serve different segments. The Accentra 4604LN is a commercial Grade 2 cylindrical lock certified to ANSI/BHMA A156.2 with UL-cUL fire rating up to 3 hours. The Deltana 6201 Manchester and 6431 Linstead are entry levers for doors 1-3/8 inch to 2 inch, and the Baldwin Estate 5103 is offered in passage, privacy and handed half dummy versions. Those Baldwin and Deltana sets are decorative-style trim for architectural openings, so on a fire-rated or Grade 2 specified commercial door the 4604LN is the one that matches the spec.
22) Does the Corbin Russwin 585F715 lever work as replacement trim for an Accentra 4604LN?
No. The Accentra 4604LN is a complete cylindrical entrance lockset with latchbolt, guardbolt and strike. The Corbin Russwin 585F715 is a Grade 1 lock lever for the ED8000 pushpad exit device and the CL3300 cylindrical lock series, sized for 1-3/4 inch to 2 inch doors, so it is trim for those specific devices and not a chassis. Similarly the Imperial USA ED-EL500HD is escutcheon lever trim in an entry function for the ED-500 exit device series. If the 4604LN chassis needs replacing, order the complete lockset.
23) The opening needs to release on a fire alarm - can the Accentra 4604LN do that?
The Accentra 4604LN is a mechanical Grade 2 entrance lever with no electrified option. For an opening that must unlock on alarm or on a signal from an access control panel, the Corbin Russwin CL33903 is a Grade 1 fail safe electrified cylindrical lever at 12VAC/DC for 1-3/4 inch to 2 inch doors, available with the NZ lever and D rose. Keep the 4604LN for the mechanical openings in the same building and spec the electrified lever only where the release is required.
24) Is the Accentra 4604LN a residential lock or a commercial one?
Commercial. It is an ANSI/BHMA Grade 2 cylindrical lockset intended for office buildings, schools, healthcare, retail, industrial and multi-tenant residential. Residential Grade 3 leversets like the Kwikset 200BRNL or the Master Lock RL series are a different duty class and will not hold up on a commercial entry.
25) What should I use on the doors that need a lever to match the Accentra 4604LN but do not latch?
For non-latching leaves such as an inactive door or a closet face, use dummy trim rather than an entrance lockset. The BEST 7KC Series 1DT is a Grade 2 non-keyed single dummy trim cylindrical lever, and the BEST 9K Series 1DT is the Grade 1 heavy duty equivalent. The Callan Bentley Grade 2 dummy lever is another option. The Accentra 4604LN itself is a keyed entrance lock with a 1/2 inch stainless steel latchbolt and guardbolt, so it is specified for openings that actually latch and lock.
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Can I return it if it doesn’t work for me?
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Does the Accentra YAL-MO4604LN-626 come with a warranty?
Absolutely. The Accentra YAL-MO4604LN-626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Accentra YAL-MO4604LN-626?
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