Corbin Russwin CL3810 Grade 2 Passage/Closet Standard-Duty Cylindrical Lever Lock

Corbin Russwin CL3810-NON-KEYED Passage/Closet Cylindrical Lever Lock | Grade 2, Non-Handed, UL 3-Hour Fire Rated

Commercial-Grade Passage Security with Lever Release™ Vandal-Resistant Design

The Corbin Russwin CL3810 is a non-keyed, ANSI/BHMA Grade 2 standard-duty cylindrical lever lockset engineered for passage and closet applications in commercial environments. Designed for doors ranging from 1-3/8" to 1-3/4" in thickness with a 2-3/4" backset, this lock features latchbolt operation by lever from either side with both levers always free, conforming to ANSI function F75. Constructed with solid cast levers and a steel substrate with zinc dichromate corrosion resistance, the CL3810 delivers outstanding value and performance as part of the CL3800 Series. UL-cUL 3-hour fire rating and ANSI/BHMA Grade 2 certification ensure compliance with demanding commercial building requirements.

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

• Interior Office Corridors and Passage Doors
• Closet and Storage Room Access
• Multi-Family and Multi-Tenant Residential Properties
• Restaurant and Hospitality Facilities
• Retail Complexes and Commercial Storefronts
• Educational Facilities and Institutional Buildings
• Healthcare and Medical Office Interiors

Why Choose Corbin Russwin Quality?

Corbin Russwin CL3800 Series cylindrical lever locksets deliver professional-grade reliability through solid cast lever construction, a steel substrate with zinc dichromate corrosion resistance, and ANSI/BHMA Grade 2 certification meeting function F75 standards. The CL3810 carries a UL-cUL 3-hour fire rating and is backed by a 7 Year Limited warranty, providing verified performance and long-term confidence for commercial door hardware installations. Engineered as part of a scalable series alongside the CL3300 and CL3500 Grade 1 locksets, the CL3810 enables cost-effective project specification without compromising functionality or durability.