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Hager 3495 WTN Grade 1 Intruder Classroom Lever Lockset
Function Information:
The Hager 3495 WTN is a mission-critical cylindrical lockset specifically engineered to enhance occupant safety in educational facilities, government offices, and high-occupancy public buildings. Operating as an Intruder Classroom Function (ANSI F110), this hardware allows for immediate lockdown from the inside of a room using a key. Featuring the classic, ergonomic Withnell (WTN) lever design, this lockset provides the highest tier of Grade 1 security, ensuring that teachers and staff can secure an opening without ever stepping into the hallway during an emergency.
Advanced Lockdown Security and Life-Safety Compliance
The primary advantage of the Hager 3495 is its dual-cylinder functionality. While the exterior lever is typically locked or unlocked by key, the interior cylinder allows a staff member to lock the exterior lever instantly from the safety of the room. A critical distinction of the Intruder Function is that the interior lever always remains active and provides free egress, allowing occupants to exit the room at any time—a mandatory requirement for NFPA 101 Life Safety and fire code compliance.
Institutional Engineering for Maximum Durability
As a heavy-duty solution in the Hager 3400 Series, the 3495 WTN is built to exceed ANSI/BHMA Grade 1 standards, surviving over one million test cycles. The Withnell lever is fully ADA compliant, offering a professional and neutral profile that fits seamlessly into existing school and hospital hardware sets. To prevent hardware failure during a security event or from daily high-traffic use, the lock utilizes a secure thru-bolt installation, ensuring a rigid, permanent bond to the door.
Technical Specifications
| Feature | Specification |
| Series | Hager 3400 Series |
| Function | Intruder Classroom (ANSI F110) |
| Grade | ANSI/BHMA A156.2 Grade 1 (Extra Heavy Duty) |
| Lever Style | Withnell (WTN) |
| Cylinder Type | Double Cylinder (Key locks/unlocks exterior from both sides) |
| Inside Operation | Inside lever always allows free egress |
| Door Thickness | 1-3/8" to 2" (35 mm - 51 mm) |
| Backset | 2-3/4" (Standard) or 2-3/8" (Optional) |
| Strike | 1-1/4" x 4-7/8" ASA Strike (Standard) |
| Fire Rating | UL/cUL Listed up to 3 hours |
Standards, Compliance & Repository Access
To assist with security submittals and facility safety planning, the Hager 3495 WTN meets the following industry benchmarks. For detailed Installation Templates, Cut Sheets, and Parts Lists, visit our Series Pages:
- Fire Safety: UL/cUL Listed for up to 3-hour fire doors; compliant with NFPA 80.
- Accessibility: Meets ADA requirements and ANSI A117.1 for barrier-free access.
- Lockdown Standards: Specifically designed to meet modern "Safe Room" and school security protocols.
- Vandal Resistance: Equipped with free-wheeling levers and robust thru-bolt mounting to resist tampering and forced entry.
Key Product Highlights
- Interior Lockdown Capability: Allows for rapid securing of the door from inside the room, keeping staff out of harm's way.
- Ergonomic Withnell Design: The WTN lever offers a timeless, professional profile that coordinates perfectly with existing institutional hardware.
- Million-Cycle Durability: Engineered for high-abuse environments where reliability is a critical safety requirement.
- Tamper-Proof Construction: No exposed mounting screws and a heavy-duty thru-bolt design prevent unauthorized hardware removal or lever sag.
| 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 or LFIC |
| Brand | Hager |
| ANSI Cyl Lock Function | F110 - Classroom Security |
| Trim Design | WTN - Withnell |
| Series | Hager - 3400 Series |
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