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Hager 3550 WTN Grade 2 Office/ Entry Lever Lockset (Push Button)
Function Information:
The Hager 3550 WTN is a heavy-duty, commercial-grade cylindrical lockset designed to provide reliable security for professional office environments. As an Office/Entry Function (ANSI F82A), the exterior lever can be locked or unlocked via an interior push button or an exterior key. Featuring the clean, ergonomic Withnell (WTN) lever design, this lockset delivers a professional architectural aesthetic while maintaining the industrial strength of the Hager 3500 Series.
Versatile Security and Occupant Safety
The Hager 3550 is engineered for both convenience and high-level protection. The interior push button allows for quick manual locking for daily office use; however, for maximum life safety, the inside lever always allows for free egress. Turning the inside lever or using the outside key automatically releases the push button, ensuring occupants are never trapped and preventing accidental lockouts. To protect against forced entry, the deadlocking latchbolt prevents "shimming" or unauthorized retraction of the latch when the door is closed.
Industrial Build and Universal Accessibility
Certified to ANSI/BHMA Grade 2 standards, this lockset features a heavy-gauge steel chassis with a zinc dichromate finish for superior corrosion resistance. The Withnell lever is fully ADA compliant, providing a comfortable grip that is easily operated by all users without tight grasping or twisting. With no exposed mounting screws and a thru-bolt design, the 3550 WTN offers a sleek professional profile that is highly resistant to tampering and vandalism in high-traffic commercial spaces.
Technical Specifications
| Feature | Specification |
| Series | Hager 3500 Series |
| Function | Office / Entry (ANSI F82A) |
| Grade | ANSI/BHMA A156.2 Grade 2 |
| Lever Style | Withnell (WTN) |
| Locking Mechanism | Interior Push Button / Exterior Key |
| Cylinder | 6-Pin Conventional, Schlage C Keyway |
| Door Thickness | 1-3/8" to 2" (35 mm - 51 mm) |
| Backset | 2-3/4" (Standard) or 2-3/8" (Optional) |
| Fire Rating | UL/cUL Listed up to 3 hours |
| Accessibility | ADA Compliant (ANSI A117.1) |
Key Product Highlights
- Professional Withnell Style: The WTN lever offers a timeless, neutral look that fits seamlessly into any commercial or institutional building design.
- Dual Locking Functionality: Combines the ease of push-button locking for daily use with the security of a keyed exterior for restricted access.
- Enhanced Vandal Resistance: The use of thru bolts ensures a secure, stable attachment to the door that withstands rigorous high-traffic use.
- Code-Compliant Performance: UL/cUL listed for 3-hour fire doors, meeting the critical life-safety requirements for modern commercial buildings.
| Finish with BHMA code | 626 - US26D Satin Chrome or 613 - US10B Oil Rubbed Bronze or 605 - US3 Polish Brass or 606 - US4 Satin Brass or 625 - US26 Polish Chrome |
| Cylinder Options | SCC - Schlage C Keyway or SFIC |
| Brand | Hager |
| ANSI Cyl Lock Function | F82A - Office/ Entry |
| Trim Design | WTN - Withnell |
| Series | Hager - 3500 Series |
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