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Accentra AU540 Augusta Lever Grade 1 Cylindrical Lock
Commercial-Grade Entrance Lock Solution
The Accentra AU540 Augusta Lever Cylindrical Lock delivers Grade 1 commercial performance with heavy-duty construction designed for demanding applications. This entrance function lock features a 2-3/4" backset and accommodates door thickness from 1-3/4" to 2" with ANSI/BHMA Grade 1 certification. The rugged design includes free wheeling lever mechanism, wear-resistant chassis plates, and heavy-duty return springs for reliable long-term operation.
Professional Features & Benefits
• Free Wheeling lever mechanism.
• Self-contained, continuous-duty integral solenoid
(allows installation in standard cylindrical prep).
• Available Fail Safe or Fail Secure.
• Available in 12 or 24 volts DC.
• 8 position ElectroLynx plug connector
• External rectifier available upon request for AC operation.
• Mechanical cylinder override.
• All 5400LN cylinder options.
• Certified ANSI/BHMA Grade 1.
• UL listed.
• 2-year limited warranty.
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
- 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 locks deliver professional-grade reliability with Grade 1 construction and patented door thickness adjustment technology. The 7 Year warranty coverage and UL listing for 3 hour fire doors demonstrate the manufacturer's commitment to quality and code compliance. Engineered for demanding commercial applications where dependable performance and long-term durability are essential.
Manufacturer Resources
5400LN Series Grade 1 Cylindrical Lever Lockset
Product Specs
- Series:
- 5400 Series
- Warranty:
- 7 Year
- Grade:
- Grade 1
- UL Listing Type:
- Listed for 3 hour fire doors
- Keyed Function:
- Single Cylinder
- Latch Throw:
- 1/2"
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Product Type:
- Leversets
- Subcategory:
- Cylindrical Locks
- Keyed:
- Yes
- Commercial/Residential:
- Commercial
- Lock Type:
- Cylindrical
- Handle Type:
- Lever
- Lock Function:
- Entrance
- Product Attribute:
- Cylindrical Locks
- Product Model:
- 5404LN
- Collection:
- 5400 Series
- Product Function:
- Entrance
- Door Thickness Range:
- 1-3/4" to 2"
- Door Strike:
- ANSI Strike 4-7/8" x 1-1/4" x 1-1/4"
- Product Category:
- Mechanical Locks
- Backset (Distance):
- 2-3/4"
- Department:
- Door Hardware