Corbin Russwin CLX3355 Grade 1 Classroom Cylindrical Lever Lock

Corbin Russwin CLX3355-KEYED Classroom Cylindrical Lever Lock | ANSI F84 Grade 1, 1-3/4" to 2" Doors

Heavy-Duty ANSI/BHMA Grade 1 Classroom Security for High-Traffic Commercial Openings

The Corbin Russwin CLX3355-KEYED is a heavy-duty, ANSI/BHMA Grade 1 classroom cylindrical lever lock engineered for demanding commercial and institutional environments. Designed to ANSI function F84 (Classroom), this keyed cylindrical lever lock features a deadlocking latchbolt operated by lever from either side, except when the outside lever is locked by key — at which point the lever handle freewheels for vandal resistance. The outside lever is unlocked by key from outside, while the inside lever remains always free for safe egress. Built for doors ranging from 1-3/4" to 2" in thickness with a 2-3/4" backset, the CLX3355-KEYED is the ideal solution for schools, universities, hospitals, and other high-traffic facilities where security, durability, and aesthetics must coexist.

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

• Schools and Universities (Classroom Security)
• Healthcare Institutions and Hospitals
• Commercial Office Buildings
• Manufacturing and Industrial Facilities
• Government and Municipal Buildings
• Heavy-Duty Commercial Interior and Exterior Doors
• New Construction and Retrofit Projects

Why Choose Corbin Russwin Quality?

Corbin Russwin CLX3300 Series cylindrical lever locks deliver professional-grade reliability backed by UL Cycle testing completed at 20 Million Cycles (Verification ID: V875753), exceeding ANSI/BHMA A156.2 Grade 1 requirements by significant margins — including 2.6 times the abusive locked lever torque standard and 8 times the offset lever pull requirement. Constructed of steel with zinc dichromate treatment for corrosion resistance and protected by a 7 Year Limited warranty, the CLX3355-KEYED is engineered for demanding commercial applications where dependable performance, security, and design flexibility are essential.