Corbin Russwin ML20914 Grade 1 Fail Safe Electrified Mortise Lock, Both Grips Locked when Energized, Outside Cylinder Override, Lever x Lever Body Onl

Corbin Russwin ML20914-LL-SAF Fail Safe Electrified Mortise Lock Body, Both Grips Locked when Energized with Outside Cylinder Override

Grade 1 Electrified Mortise Lock Body for High-Traffic Commercial Applications

The Corbin Russwin ML20914-LL-SAF is a Fail Safe electrified mortise lock body from the ML2000 Series, engineered for demanding commercial, institutional, industrial, and government environments. When energized, both grips are locked, with outside cylinder override capability retained for authorized entry. Designed for 1-3/4" (44mm) standard door thickness and constructed of heavy-gauge steel, this Grade 1 lock body features a patented Quick Reversible latchbolt and a 1" stainless steel deadbolt. The auxiliary latch deadlocks the latchbolt for added security, and the field-reversible handing simplifies installation across a wide range of door configurations.

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 Multi-Tenant Residential Properties
• Industrial and Warehouse Facilities
• Government and Municipal Buildings
• High-Traffic Institutional Environments

Tamper-Resistant Design

The ML2000VR (Vandal Resistant) Series option features stainless steel escutcheons with tapered edges and Torx® pin tamper-resistant screws, providing a formidable barrier against abuse and unauthorized manipulation. When paired with Corbin Russwin patented high-security Pyramid or Access 3® cylinders, the ML20914 delivers a comprehensive security solution for demanding applications.

Why Choose Corbin Russwin Quality?

Corbin Russwin ML2000 Series mortise lock bodies are built to Grade 1 standards from heavy-gauge steel with brass or bronze substrate components, and have been UL Cycle tested to an exceptional 14.5 Million Cycles (Verification ID: V875753), far surpassing typical commercial requirements. Every ML20914 is backed by a 10 Year Limited warranty, reflecting Corbin Russwin's commitment to long-term reliability. Engineered for the most demanding commercial, institutional, and government applications, the ML2000 Series delivers life safety and security in a single door preparation.