Corbin Russwin ML20906 Grade 1 Single Cylinder Mortise Electrified Lever Lockset, Lustra (Wrought) Lever

Corbin Russwin ML20906-LW Single Cylinder Mortise Electrified Lever Lockset with Lustra Wrought Lever, ANSI/BHMA Grade 1, Fail Safe/Fail Secure

Commercial-Grade Electrified Mortise Security for High-Traffic, Demanding Environments

The Corbin Russwin ML20906-LW is a Single Cylinder Mortise Electrified Lever Lockset from the ML2000 Series, featuring the Lustra (Wrought) lever design and engineered to meet the rigors of high-traffic, abusive environments. Built on a heavy-gauge steel substrate and certified to ANSI/BHMA A156.13, Series 1000, Operational and Security Grade 1, this lockset accommodates door thicknesses from 1-3/8" to 4" with a standard door thickness of 1-3/4" and a standard backset of 2-3/4". Featuring Fail Safe/Fail Secure operation and Motorized Electric Latch Retraction (MELR), it integrates seamlessly with access control platforms and Corbin Russwin key systems including the patented Access 3® and Pyramid high-security systems. UL listed, UL10c compliant, and UL-cUL listed for use on fire doors rated up to and including 3 hours, this lockset delivers unmatched versatility and reliability for commercial applications.

Professional Features & Benefits

• ANSI/BHMA Grade 1 mortise lock per A156.13 Series 1000, Operational and Security Grade 1
• UL Cycle above and beyond: 14.5 Million Cycles (Verification ID: V875753)
• Patented Quick Reversible latchbolt — reverse handing without disassembling the lock case
• Multi-function capability: 12 functions configurable from one ML2054 lockbody
• Heavy-gauge steel lockcase 5-7/8" x 4" x 15/16"; 1" stainless steel deadbolt, 1" throw
• 3/4" (19mm) throw anti-friction two-piece latchbolt requires less force to close
• Wide variety of trim designs including Muséo®, Vineyard™, Behavioral Health (BHSS/BLSS)
• Status indicator options for locked/unlocked visibility (sectional and escutcheon trim)
• Motorized Electric Latch Retraction (MELR) available for ML20900 series
• Thru-bolted trim designs for proper alignment and increased security
• Can be used with new or existing Corbin Russwin key systems; accepts most other manufacturers' cylinders
• UL/cUL listed, UL10C positive pressure; 3-hour fire door up to 4' x 10' single or 8' x 10' pair
• Ten-year mechanical warranty; five-year MELR; two-year electrical

Technical Specifications

• Grade: ANSI/BHMA A156.13 Series 1000, Operational and Security Grade 1
• Handing: Handed; quick reversible — re-handed without disassembling the lock case
• Door Thickness: 1-3/4" (44mm) standard; optional thicknesses available
• Backset: 2-3/4" (70mm)
• Lockcase: Heavy-gauge steel, 5-7/8" (149mm) x 4" (102mm) x 15/16" (24mm)
• Armored Front: Wrought brass, bronze, or stainless steel, 8" x 1-1/4"
• Latchbolt: 2-piece mechanical with anti-friction insert, 5/8" x 1" x 3/4" (19mm) throw
• Auxiliary Latchbolt: 9/16" (14mm) effective throw; deadlocking
• Deadbolt: One-piece stainless steel, 19/32" x 1-1/4" x 1" (25mm) throw
• Strike: Wrought brass, bronze, or stainless steel, ANSI straight lip, 4-7/8" x 1-1/4" x 1-1/8" lip to center
• Cylinder: Brass, 6-pin L4 keyway, 0-bitted standard
• Spacing: C. to c. knob/lever to cylinder: 3-5/8" (92mm); knob/lever to thumbturn: 2-7/16" (62mm)
• Certifications: ANSI/BHMA A156.13 Grade 1; UL/cUL UL10C 3-hour positive pressure; ADA A117.1; California State Fire Marshal; Windstorm/Hurricane certified
• Warranty: Ten-year mechanical; five-year MELR; two-year electrical

Professional Applications

• Commercial Office Buildings
• Healthcare Institutions and Medical Facilities
• Educational Facilities and Campus Buildings
• Government and Municipal Buildings
• Retail Establishments and Mixed-Use Properties
• Industrial and Warehouse Facilities
• Multi-Tenant Residential and Hospitality Properties

Why Choose Corbin Russwin Quality?

Corbin Russwin ML2000 Series mortise locksets are constructed of heavy-gauge steel and certified to ANSI/BHMA A156.13, Series 1000, Operational and Security Grade 1, far exceeding minimum requirements for durability and longevity in demanding commercial environments. The ML20906-LW is backed by a ten-year mechanical warranty, a five-year MELR warranty, and a two-year electrical warranty, reflecting the brand's commitment to long-term reliability. With UL listing, UL10c compliance, ADA compliance, ASTM E330 certification, and Florida Building Code Windstorm Certification, this lockset is engineered to perform dependably across the most challenging commercial applications.