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Accentra AU 4628LN Grade 2 Communicating & Exit Function Lever
Function Information:
- Latchbolt operated by inside lever
- Blank plate outside
- Minimum clearance of 1-1/2” between doors
- Deadlocking (guarded) latchbolt
- ANSI Function F111
- Should be used only where rooms have more than one entrance
The Accentra AU 4628LN Exit Latch (formerly Yale) is a specialized, high-intent hardware solution designed for unique commercial applications. This Series 4000 Grade 2 Standard Duty cylindrical lock is engineered for Communicating or Exit Functions (ANSI F111), typically found on twin communicating doors or exit-only openings where operation is required from one side only.
Featuring the modern and ergonomic AU (Augusta) lever design, this latchset is the perfect choice for spaces with limited clearance between a door and a switch panel or between double doors. With a blank rose on the exterior and an active lever on the interior, it provides a clean, secure solution for rooms that possess more than one entrance.
Specialized Function & Performance
- Exit/Communicating Function (ANSI F111): The latchbolt is operated by the inside lever only. The exterior features a blank plate (rose) with no operation, ensuring one-way access.
- Space-Saving Design: Ideal for installations with a minimum clearance of 1-1/2" between doors, making it a go-to for narrow-gap communicating suites.
- Deadlocking Security: Equipped with a deadlocking (guarded) latchbolt to prevent unauthorized retraction or "shimming" of the bolt.
- Commercial Grade 2 Strength: Certified ANSI/BHMA A156.2, Series 4000, Grade 2 for reliable durability in standard-duty commercial environments.
- Safety & Compliance: UL-cUL listed for fire doors up to 3 hours and meets ADA A117.1 Accessibility Codes for the active interior lever.
Technical Specifications
| Feature | Details |
| Manufacturer | Accentra (Formerly Yale) |
| Model Number | AU 4628LN |
| Function | Communicating / Exit Latch (ANSI F111) |
| Lever Style | Augusta (AU) |
| Grade | Grade 2 Standard Duty |
| Door Thickness | Adjustable 1-3/8" (35mm) to 1-3/4" (44mm) |
| Backset | 2-3/4" (70mm) Standard |
| Strike | ANSI 4-7/8" x 1-1/4" x 1-1/4" (ASA Strike) |
| Latchbolt | 1/2" (13mm) Throw Deadlocking |
| Outside Plate | Blank Rose (No Lever/No Operation) |
| Handing | Non-Handed / Field Reversible |
| Warranty | 3 Year Limited Warranty |
Professional Installation
The Accentra AU 4628LN is designed for specific architectural requirements. While these cylindrical lever locks are supplied with optional thru bolts, the final installation of the thru bolts is at the discretion of the professional installer, ensuring a secure fit tailored to the door’s specific construction and stability needs.
| Finish with BHMA code | 626 - US26D Satin Chrome or 613E - US10BE Oil Rubbed Bronze Equal or BSP - Black Suede Powder Coat |
| Brand | Accentra (formally Yale Security) |
| ANSI Cyl Lock Function | F89 - Exit Latchset |
| Trim Design | AU - Augusta Lever |
| Series | Accentra - 4600 Series |
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