Corbin Russwin ML20932 Grade 1 Fail Safe Electrified Mortise Lock, Both Grips Locked when Not Energized, Double Cylinder Override, Lever x Lever Body Only

Corbin Russwin ML20932-LL-SAF Fail Safe Electrified Mortise Lock Body with Double Cylinder Override, Lever x Lever

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

The Corbin Russwin ML20932-LL-SAF is a fail safe electrified mortise lock body from the ML2000 Series, engineered to deliver life safety and access control in a single door preparation. Designed for 1-3/4" (44mm) standard door thickness, this lock body features a latchbolt operable by grip from either side unless both grips are locked by energizing the lock, with latchbolt by key inside or outside when the lock is energized. The auxiliary latch deadlocks the latchbolt for added security. Constructed of heavy-gauge steel with a 1" stainless steel deadbolt and Corbin Russwin's patented Quick Reversible latchbolt, the ML20932 is rated Grade 1 and has completed UL Cycle testing at 14.5 Million Cycles (Verification ID: V875753), making it an ideal solution for commercial, institutional, industrial, and government environments.

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
• Institutional and High-Security Applications

Tamper-Resistant Design

The ML2000VR (Vandal Resistant) Series option features vandal-resistant stainless steel escutcheons with tapered edges and Torx® pin tamper resistant screws, providing a formidable barrier against abuse and unauthorized access. When paired with Corbin Russwin's patented high-security Pyramid or Access 3® cylinders, the ML20932 delivers an elevated level of physical security for demanding environments.

Why Choose Corbin Russwin Quality?

Corbin Russwin ML2000 Series mortise lock bodies are built to the highest commercial standards, constructed of heavy-gauge steel with a 1" stainless steel deadbolt and verified through UL Cycle testing at 14.5 Million Cycles (Verification ID: V875753) for unmatched long-term reliability. The ML20932-LL-SAF is backed by a 10 Year Limited warranty, reflecting Corbin Russwin's commitment to quality and durability. Engineered for demanding commercial, institutional, industrial, and government applications where dependable fail safe performance and life safety are essential.