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ANSI F110 Classroom Intruder Security — Double-Cylinder Control for Commercial & Institutional Applications
The Corbin Russwin CL3352-KEYED is an extra heavy-duty, Grade 1 cylindrical lever lock engineered specifically for classroom intruder security in demanding commercial, industrial, and institutional environments. Designed to ANSI function F110 (Classroom), this double-cylinder lockset allows the outside lever to be locked or unlocked by key from either the inside or outside, while the inside lever always remains free to ensure safe egress at all times. Built for doors ranging from 1-3/4" to 2" in thickness with a 2-3/4" backset, the CL3352 features a conventional 6-pin cylinder, a deadlocking latchbolt, and is constructed from steel with zinc dichromate treatment for corrosion resistance — delivering reliable, quiet operation across years of high-traffic use.
Professional Features & Benefits
- Grade 1 cylindrical lockset per ANSI/BHMA A156.2 Series 4000, Grade 1
- Lever Release™ design for vandal resistance — outside lever rotates freely when locked
- EZ-Install components significantly reduce installation time
- Independent return springs prevent lever sag
- 4 solid cast lever options (Armstrong, Newport, Princeton, Frascati)
- Anti-rotational through-bolts at 6 and 12 o'clock positions
- Accommodates 6 or 7-pin conventional cylinders and all keying levels
- CL3352 Classroom Intruder function: double-cylinder lockset, always-free egress
- Available with MicroShield® antimicrobial coating (suffix option code "C")
- CL33900 electrified option: fail safe and fail secure, 12 or 24VAC/VDC
- ElectroLynx® 8-pin connector on all electrified products
- Seven-year limited warranty (two-year for electrified)
Technical Specifications
- Grade: ANSI/BHMA A156.2 Series 4000, Grade 1
- Handing: Non-handed (except FZD trim)
- Door Thickness: 1-3/4" (44mm) 2" (51mm) standard; optional over 2" 2-1/4" (57mm)
- Backset: 2-3/4" (70mm) standard; optional 3-3/4" (95mm) and 5" (127mm)
- Latchbolt: Stainless steel, 1/2" (13mm) throw; optional 3/4" (19mm) fire latch
- Auxiliary Latchbolt: Deadlocking — prevents manipulation when door is closed
- Lock Chassis: Steel, zinc dichromated for corrosion resistance
- Front: Wrought brass, bronze, or stainless steel, 2-1/4" x 1-1/8"
- 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: 12VAC/DC or 24VAC/DC (CL33900 Series)
- Electrified Current: 250mA @ 12VAC/VDC; 150mA @ 24VAC/VDC, continuous duty solenoid
- Certifications: ANSI/BHMA A156.2 Grade 1; UL-cUL listed; ANSI A117.1 Accessibility; California State Fire Marshal
- Warranty: Seven-year limited (two-year for CL33900 electrified)
Professional Applications
- K–12 Educational Facilities and Classrooms
- Higher Education Campus Buildings
- Commercial Office Buildings
- Healthcare and Medical Institutions
- Government and Municipal Buildings
- Industrial and Institutional Facilities
- Multi-Tenant Commercial Properties
Vandal-Resistant Design
The CL3352 features the Lever Release™ design, allowing the outside lever to rotate freely when in the locked position. This engineered response to vandalism protects internal lock components from damage caused by forced lever manipulation, extending the service life of the lockset in high-traffic and high-risk environments.
Why Choose Corbin Russwin Quality?
Corbin Russwin CL3300 Series cylindrical locksets are manufactured to ANSI/BHMA Grade 1 extra heavy-duty standards using steel with zinc dichromate treatment for corrosion resistance, ensuring strength, quiet operation, and years of dependable performance in demanding commercial applications. The CL3352-KEYED is backed by a 7 Year Limited warranty, reflecting Corbin Russwin's commitment to long-term reliability. Engineered for high-use commercial, industrial, and institutional environments where classroom security and life safety compliance are essential.
Manufacturer Resources
Product Specs
- Subcategory:
- Cylindrical Locks
- Product Group:
- Mechanical Locks
- Series:
- CL3300 Series
- Grade:
- Grade 1
- Duty Level:
- Heavy Duty
- Keyed Function:
- Single Cylinder
- Standard Cylinder:
- Conventional 6-pin Cylinder, L4 Keyway
- 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:
- F110
- Product Subgroup:
- Bored Locksets
- Product Type:
- Leversets
- Keyed:
- Yes
- Commercial/Residential:
- Commercial
- Function Description:
- Deadlocking latchbolt by inside lever or outside lever except when key inside or outside locks outside lever. Outside lever is locked and unlocked by turning the key in the inside or outside lever.
- Lock Type:
- Cylindrical
- Handle Type:
- Lever
- Lock Function:
- Classroom
- Product Attribute:
- Cylindrical Locks
- Product Model:
- CL3352
- Product Function:
- Classroom
- 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
