Corbin Russwin ML2054 Grade 1 Mortise Entrance Lever Lockset

Corbin Russwin ML2054-KEYED ML2000 Series Grade 1 Mortise Entrance Lever Lockset, Field Reversible, 1-3/4" Door Thickness

Commercial-Grade Mortise Entrance Lock with Thumbturn Control and Auxiliary Deadlocking Latch

The Corbin Russwin ML2054-KEYED is a Grade 1 mortise entrance lever lockset from the ML2000 Series, engineered for demanding commercial, institutional, industrial, and government applications. Operating under ANSI function F04, this lock allows latchbolt retraction by grip from either side unless the outside grip is locked, with outside grip control managed by thumbturn and latchbolt operation by key when the outside grip is locked. Constructed of heavy-gauge steel with a 1" stainless steel deadbolt and a patented Quick Reversible latchbolt, the ML2054-KEYED is designed for 1-3/4" (44mm) door thickness and is field reversible for flexible installation. The ML2000 Series has achieved UL Cycle testing above and beyond requirements, completing 14.5 Million Cycles (Verification ID: V875753), and is backed by a 10-year limited warranty.

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
• Educational Facilities and Schools
• Healthcare Institutions and Hospitals
• Hotels and Hospitality Properties
• Industrial and Government Facilities
• Multi-Tenant Residential Properties
• Institutional and High-Traffic Public Buildings

Tamper-Resistant Design

The ML2000VR (Vandal Resistant) Series variant features vandal-resistant stainless steel escutcheons with tapered edges and Torx® pin tamper-resistant screws, providing a formidable barrier against abuse and unauthorized access attempts. When paired with Corbin Russwin patented high-security Pyramid or Access 3® cylinders, the ML2054 delivers an elevated level of intrusion resistance for high-risk environments.

Why Choose Corbin Russwin Quality?

Corbin Russwin ML2000 Series mortise locks deliver professional-grade reliability with heavy-gauge steel construction and a one-piece stainless steel deadbolt, validated by UL Cycle testing completed at an exceptional 14.5 Million Cycles (Verification ID: V875753). Backed by a 10-year limited warranty and BHMA Grade 1 certification, the ML2054-KEYED is engineered for the most demanding commercial applications where dependable performance, security, and longevity are essential.