Corbin Russwin CL3855 Grade 2 Classroom Standard-Duty Cylindrical Lever Lock

Corbin Russwin CL3855-KEYED Classroom Cylindrical Lever Lock | Grade 2, ANSI F84, UL 3-Hour Fire Rated

Standard-Duty Commercial Classroom Security with Lever Release™ Vandal-Resistant Design

The Corbin Russwin CL3855-KEYED is a Grade 2 standard-duty cylindrical lever lock engineered for classroom and commercial applications requiring reliable keyed security. Designed to meet ANSI function F84 (Classroom), this lock features a deadlocking latchbolt operated by lever from either side, except when the outside lever is locked by key—placing the lever handle in a freewheeling position. Compatible with doors ranging from 1-3/8" to 1-3/4" in thickness and featuring a 2-3/4" backset, the CL3855-KEYED is part of the CL3800 Series, which delivers an outstanding combination of value and performance for standard commercial environments. The most common configuration features the NZD Newport lever in 626 Satin Chrome finish.

Professional Features & Benefits

• Grade 2 standard-duty lever lockset per ANSI/BHMA A156.2 Series 4000, Grade 2
• Lever Release freewheeling levers for vandal resistance
• Solid cast levers with no plastic inserts
• Thrubolts prevent chassis rotation; ensure alignment, smooth operation and long life
• Non-handed spring cassette prevents lever sag
• 1/2" throw latchbolt accommodates 7/8" and 1" edge bore preps
• 2-3/8", 2-3/4", 3-3/4" and 5" backsets available
• UL/cUL listed for 3-hour fire doors up to 4' x 10'
• 14 finishes plus MicroShield® antimicrobial options
• High Security and security key systems available (Access 3®, Pyramid)
• Five-year limited warranty

Technical Specifications

• Grade: ANSI/BHMA A156.2 Series 4000, Grade 2
• Door Prep: ANSI/BHMA A156.115
• Handing: Non-handed
• Door Thickness: 1-3/8" to 1-7/8" (35–48mm) standard; optional 2" 2-1/4" (57mm)
• Backset: 2-3/4" (70mm) standard; optional 2-3/8", 3-3/4", 5"
• Latchbolt: Stainless steel, 1/2" (13mm) throw
• 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
• Minimum Stile: 4-1/2" (114mm)
• Certifications: ANSI/BHMA A156.2 Grade 2; UL/cUL 3-hour fire rating; ADA A117.1; NFPA 80; Windstorm/Hurricane certified
• Warranty: Five-year limited

Professional Applications

• K-12 and Higher Education Classroom Facilities
• Commercial Office Buildings
• Multi-Family and Multi-Tenant Residential Properties
• Retail Complexes and Restaurants
• Interior Office and Closet Doors
• Healthcare and Institutional Facilities
• Government and Municipal Buildings

Why Choose Corbin Russwin Quality?

Corbin Russwin CL3800 Series cylindrical lever locks deliver professional-grade reliability through solid cast levers, independent lever return springs, and the proprietary Lever Release™ vandal-resistant design—all built on a steel substrate with zinc dichromate treatment for corrosion resistance. The CL3855-KEYED carries ANSI/BHMA Grade 2 certification, a UL-cUL 3-hour fire rating, and is backed by a 7 Year Limited warranty, providing confidence for demanding commercial and institutional applications. When paired with the CL3300 or CL3500 Series, the CL3800 Series helps reduce overall project costs without compromising functionality or durability.