Corbin Russwin CLX3330-NVSL Extra Heavy Duty Privacy Cylindrical Lever Lock with Visual Status Indicator, Grade 1, ANSI F76A
CLX3300 Series Commercial-Grade Privacy Lock with 180° Visual Status Indication
The Corbin Russwin CLX3330-NVSL is an extra heavy duty cylindrical lever lock from the CLX3300 Series, engineered for high-traffic commercial spaces where both security and privacy visibility are essential. This ANSI/BHMA A156.2 Series 4000 Grade 1 certified lock features a visual status indicator (VSL) trim with multiple indicator windows providing 180° visibility and clear sight lines from any angle, making it immediately apparent whether a room is occupied or vacant. Designed for doors with a 2-3/4" backset and accommodating door thicknesses of 1-3/4" to 2", the CLX3330-NVSL exceeds 3,100 in-lb abusive locked lever torque with no entry while maintaining egress — 2.6 times the ANSI/BHMA A156.2 requirements. The lock body is constructed of steel with zinc dichromated finish for corrosion resistance, and the non-handed design simplifies installation on doors of any handing.
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 — Private Offices and Conference Rooms
- Healthcare Institutions — Patient Rooms and Restrooms
- Educational Facilities — Classrooms and Faculty Restrooms
- Hospitality Properties — Hotel Guest Rooms and Bathrooms
- Retail Establishments — Fitting Rooms and Staff Restrooms
- Multi-Tenant Residential Properties — Common Area Restrooms
- Government and Municipal Buildings — High-Traffic Restroom and Privacy Applications
Why Choose Corbin Russwin Quality?
Corbin Russwin CLX3300 Series cylindrical lever locks deliver professional-grade reliability with steel construction featuring zinc dichromate corrosion resistance, certified to ANSI/BHMA A156.2 Series 4000 Grade 1 and UL-cUL listed for 3-hour fire doors and windstorm applications. Independent return springs ensure the lock exceeds Grade 1 cycle requirements without lever sag, and the patented design withstands over 3,100 in-lb of abusive locked lever torque — 2.6 times the ANSI/BHMA requirement. Backed by a 7 Year Limited warranty, the CLX3330-NVSL is engineered for demanding commercial environments where dependable performance and clear privacy status indication are essential.
Manufacturer Resources
Product Specs
- Subcategory:
- Cylindrical Locks
- Product Group:
- Mechanical Locks
- Series:
- CLX3300 Series
- Grade:
- Grade 1
- Keyed Function:
- Non-Keyed
- Lock Function Description:
- Throw-off latchbolt by lever, outside lever locked by push button (freewheeling in locked position) and unlocked by emergency release tool outside, by rotating inside lever or by closing door. Inside lever always free.
- 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:
- F76A
- Product Subgroup:
- Bored Locksets
- Product Type:
- Indicator Lock
- Keyed:
- Yes
- Commercial/Residential:
- Commercial
- Lock Type:
- Cylindrical
- Handle Type:
- Lever
- Lock Function:
- Privacy/Bed/Bath
- Product Attribute:
- Indicator Locks
- Product Model:
- CLX3320
- Product Function:
- Privacy/Bed/Bath
- Door Hand Direction:
- Non-Handed
- Door Thickness Range:
- 1-3/4" to 2"
- Fire Rating:
- Yes
- Product Substrate:
- Steel, Zinc dichromated for corrosion resistance
- Product Category:
- Mechanical Locks
- Backset (Distance):
- 2-3/4"
- Department:
- Door Hardware