Corbin Russwin CLX33903 Grade 1 Electromechanical Cylindrical Lock, Fail Safe, Lever, D Rose, Non-Handed

Corbin Russwin CLX33903 Grade 1 Electromechanical Cylindrical Lock with Fail-Safe Operation, Lever, D Rose, Non-Handed

Extra Heavy-Duty Electrified Cylindrical Leverset for High-Traffic Commercial Applications

The Corbin Russwin CLX33903 is an extra heavy-duty electrified cylindrical lockset engineered for demanding high-traffic environments. This Grade 1 electromechanical cylindrical lock features fail-safe operation, ensuring reliable unlocked access during power interruptions or emergencies. Compatible with 12VAC/DC or 24VAC/DC power supplies, the CLX33903 accommodates doors ranging from 1-3/4" to 2" in thickness with a standard 2-3/4" backset, and is designed for non-handed installation for maximum installation flexibility.

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
• Healthcare Institutions
• Educational Facilities
• Government and Municipal Buildings
• Retail Establishments
• Multi-Tenant Residential Properties
• Industrial and Warehouse Facilities

Why Choose Corbin Russwin Quality?

Corbin Russwin electromechanical cylindrical lock products deliver professional-grade reliability with extra heavy-duty construction rated at Grade 1 for the most demanding commercial applications. The CLX33903 features a stainless steel latchbolt with a 1/2" throw, dual-voltage compatibility (12VAC/DC or 24VAC/DC), and a fail-safe design that supports life-safety requirements in high-traffic environments. Engineered for commercial applications where dependable electrified performance and long-lasting durability are essential.