Corbin Russwin CLX3340NT Non-Keyed Cylindrical Exit Latch Lever Lock Grade 1, ANSI F89, Non-Handed
Extra Heavy-Duty Commercial Exit Latch Solution for High-Traffic Applications
The Corbin Russwin CLX3340NT is a non-keyed, Grade 1 cylindrical lever lock engineered for demanding commercial exit applications. Conforming to ANSI function F89 (Exit Latch), this lockset features a deadlocking latchbolt operated by the inside lever, while the outside lever remains always locked in a freewheeling position for vandal resistance. Designed for doors ranging from 1-3/4" to 2" in thickness with a 2-3/4" backset, the CLX3340NT is part of the extra heavy-duty CL3300 Series and is built to deliver years of dependable, quiet operation in commercial, industrial, and institutional environments. The unit is fire rated and non-handed for flexible installation.
Professional Features & Benefits
- ANSI/BHMA Grade 1 cylindrical lock per A156.2 (2022) Series 4000
- UL Cycle above and beyond: 20 Million Cycles (Verification ID: V875753)
- Exceeds 3,100 in-lb abusive locked lever torque — 2.6× ANSI requirements
- Exceeds 1,600 lbs offset lever pull — 8× ANSI requirements
- Innovative Lever Release™ freewheeling design for vandal resistance
- Lock chassis design supports all cylinder formats (fixed core to interchangeable core)
- Patented adjustable push/turn button for easy door thickness adjustment
- Available with BHSS behavioral health trim and VSL visual status indicators
- EcoFlex® technology on CLX33900: up to 92% energy reduction (GreenCircle certified)
- Available with 27 mechanical and 2 electrified functions
- CLX3352 Classroom Intruder: locking from either side, always-free egress
- ElectroLynx® 8-pin molex connector on electrified units
- Ten-year limited mechanical warranty (two-year limited electrical)
Technical Specifications
- Grade: ANSI/BHMA A156.2 (2022) Series 4000, Grade 1
- Door Prep: ANSI/SDI A250.14
- Handing: Non-handed
- Door Thickness: 1-3/4" 2" (44–51mm) standard; optional 1-3/8" (D138) or over 2" up to 2-1/4" (D214)
- Backset: 2-3/4" (70mm) standard; optional 2-3/8", 3-3/4", 5"
- Minimum Stile: 4-1/2" (114mm)
- Latchbolt: Stainless steel, 1/2" (13mm) throw; optional 3/4" (19mm) deadlocking fire latch
- Front: Wrought brass, bronze, or stainless steel, 2-1/4" x 1-1/8" standard
- Strike: Wrought brass or stainless steel, ANSI curved lip, 4-7/8" x 1-1/4" x 1-1/4" lip to center
- Cylinder: Brass, 6-pin L4 keyway, 0-bitted standard
- Electrified Voltage: 12VDC or 24VDC; range 10.2–26.4VDC (CLX33900)
- Electrified Current: 10mA continuous; 500mA peak @ 12VDC or 24VDC
- Operating Temperature: -13°F (-25°C) to 151°F (66°C) (electrified)
- Certifications: ANSI/BHMA A156.2 Grade 1; UL/cUL 3-hour; UL294 (electrified); NFPA 80; ADA A117.1; Windstorm/Hurricane certified
- Warranty: Ten-year limited mechanical; two-year limited electrical
Professional Applications
- Commercial Office Buildings
- Educational Facilities and Schools
- Healthcare Institutions and Hospitals
- Retail Establishments
- Industrial and Warehouse Facilities
- Multi-Tenant Residential Properties
- Government and Municipal Buildings
Why Choose Corbin Russwin Quality?
Corbin Russwin CLX3300 Series cylindrical locksets deliver extra heavy-duty, Grade 1 commercial performance built from steel with zinc dichromate treatment for corrosion resistance, engineered to provide years of quiet, dependable operation in the most demanding environments. The Lever Release™ design provides proven vandal resistance, while EZ-Install components and non-handed configuration simplify installation. Backed by a 7 Year Limited warranty, the CLX3340NT is a trusted choice for commercial, industrial, and institutional applications where reliable exit function and long-term durability are essential.
Manufacturer Resources
Product Specs
- Subcategory:
- Cylindrical Locks
- Product Group:
- Mechanical Locks
- Series:
- CLX3300 Series
- Grade:
- Grade 1
- Keyed Function:
- Non-Keyed
- Standard Latch:
- Deadlatch - Square corner front, 2-1/4" x 1-1/8" 2-3/4" backset
- Standard Strike:
- ANSI Curved Lip 1-1/4" Lip Length
- Warranty:
- 7 Year Limited
- ANSI/BHMA:
- F789
- Product Subgroup:
- Bored Locksets
- Product Type:
- Leversets
- Keyed:
- No
- Commercial/Residential:
- Commercial
- Function Description:
- Deadlocking latchbolt by lever inside. Outside lever always locked (lever handle is freewheeling in locked position). Inside lever always free.
- Handle Type:
- Lever
- Lock Function:
- Exit Only
- Product Attribute:
- Cylindrical Locks
- Product Model:
- CLX3340NT
- Product Function:
- Exit
- Door Hand Direction:
- Non-Handed
- Door Thickness Range:
- 1-3/4" to 2"
- Fire Rating:
- Yes
- Product Category:
- Mechanical Locks
- Product Substrate:
- Steel, Zinc dichromated for corrosion resistance
- Backset (Distance):
- 2-3/4"
- Department:
- Door Hardware