Grade 1 Heavy Duty Electrified Lock by Yale – Secure Electric Cylindrical Lock

Description

Yale AU5491LN LC 626 24V Grade 1 Heavy Duty Electrified Hardware

Yale AU5491LN LC 626 24V Grade 1 Heavy Duty Electrified Lock is engineered for industrial, commercial, and institutional settings where robust security and reliability are paramount. This fail secure, 24V electrified cylindrical lock features a sleek satin chrome finish and an AU lever design, delivering both style and durability.Built to meet Grade 1 standards, this lockset includes a Free Wheeling lever mechanism that enhances vandal resistance while minimizing maintenance needs. Its stainless steel latchbolt offers superior strength, with a standard 1/2″ throw and an optional 3/4″ throw for fire-rated applications. The wear-resistant chassis plates promote smoother operation and extend the lock’s lifespan, while longer thread locking through-bolts ensure stability and prevent rotation. With the capability to accommodate door thicknesses from 1-3/4″ to 2″, this lock also features three non-handed lever options that comply with ADA requirements for accessibility. Yale expands your keying flexibility with a variety of cylinder options, including interchangeable cores.Designed for seamless integration, the Yale AU5491LN is a trusted choice among architects and building owners who demand uncompromising quality and performance in door hardware.

Grade 1 Hvy Duty Electrified

Fail Secure, 24V, Electrified Cylindrical Lock, AU Lever Design, Less Cylinder, Satin Chrome

Designed for industrial, commercial and institutional use, the Yale 5400LN Series heavy duty cylindrical lockset offers no compromises when it comes to rugged reliability and performance. With key construction features such as our Free Wheeling lever mechanism, wear resistant chassis plates, heavy duty lever return springs and through bolting, this Grade 1 trendsetter proves time and again why it’s the favorite among architects and building owners who demand the highest standard of product quality.

Designed for industrial, commercial, and institutional settings.

Designed for industrial, commercial and institutional use, this heavy-duty grade 1 cylindrical lockset offers no compromise when it comes to rugged reliability and performance.

• Free Wheeling lever mechanism increases vandal resistance and reduces the amount of maintenance typically required of locksets with rigid levers.

• 13 finish options.

• 3 lever designs.

• 24 functions including electrified.

• Stainless steel latchbolt provides added strength and wear resistance. Direct 1/2″ throw is standard.

• A 3/4″ latch throw for fire-rated or pairs of doors is available.

• Wear-resistant plates in the chassis help extend the life of the lockbody and provide smoother lock operation.

• Longer thread locking through-bolts through the chassis provide greater stability and prevent rotation.

• Lifetime warranted heavy-duty lever return springs prevent lever sag and provide positive return of lever to horizontal position.

• Patented (patent no. 6,131,970) door adjustable rose support plates allow for easy adjustment of lockset to fit doors ranging in thickness from 1-3/4″ to 2″. Rose spacers available for 1-3/8″ thick doors.

• Three non-handed lever options (Augusta, Monroe, and Pacific Beach) comply with ADA requirements for easy gripping and operation.

• Expanded cylinder and keying options: – Yale® 6- and 7-pin standard and interchangeable core cylinders including Yale® KeyMark® protected keyway cylinders. – Standard cylinders with Schlage® C and Sargent® LA keyways. Small format interchangeable cores with Best® keyways. – Levers which accept interchangeable core cylinders by Best®, Schlage®, ASSA® and Medeco®.

• 3-1/2″ roses cover ANSI/BHMA hollow metal door cutout.

Attributes

Amp Draw: 150mA

Base Material: Brass or Bronze

Bolt Projection: 1/2″

Cylinder Type: Less Cylinder

Door Thickness: 1-3/4″ to 2″

Finish: 626/US26D

Fire Rated: 3 Hours {A}

Fire Rating: 3 Hours {A}

Function: 91-Fail Secure

Grade: Grade 1

Handing: Not Handed

Latch Backset Dim: 2-3/4″

Leverknob Design: AU – Augusta

Limited Warranty: 2 Years

Lock Face Size: 2-1/4″ X 1-1/8″

Operating Voltage: 24VDC

Pack Qty: 1

Power: Hard Wired

Roseescutcheon Design: 3-1/2″ Diameter

Screws: Combination

Series: 5400LN Grade 1 Cylindrical Lever Locks

Std Latch Number: 694

Std Latch Type: Guarded Latch

Std Strike Height: 4-7/8″

Std Strike Number: 497

Std Strike Type: ASA

Std Strike Width: 1-1/4″

Subtype: Electric Cylindrical Lock

Type: Electric Locks

Unit of Measure: Each

Resources

• 5400LN Grade 1 Cylindrical Lever Locks Cut Sheet
• 5400LN Series Grade 1 Cylindrical Lever Locks Catalog
• 5400LN Series Grade 1 Cylindrical Lever Lockset Installation Instructions
• Electrified Wiring and Request to Exit (REX) Instructions 5490LN/5491LN
• Replacing Push Button on a Yale 5400 Series Cylindrical Lock

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