Corbin Russwin ML20914 Grade 1 Single Cylinder, Both Grips Lock, Mortise Electrified Lever Lockset, PS-Princeton (Cast) Lever

Corbin Russwin ML20914-PS Mortise Electrified Lever Lockset, Single Cylinder Both Grips Lock with Princeton Cast Lever, Fail Safe/Fail Secure

ANSI/BHMA Grade 1 Mortise Lock with EcoFlex® Technology and Motorized Electric Latch Retraction

The Corbin Russwin ML20914-PS is a commercial-grade mortise electrified lever lockset from the ML2000 Series, engineered for high-traffic and demanding environments. This single cylinder, both grips lock configuration features the Princeton (Cast) lever and supports both Fail Safe (SAF) and Fail Secure (SEC) operating modes, making it highly adaptable for access control integration. Constructed of heavy-gauge steel and ANSI/BHMA A156.13 Series 1000 Grade 1 certified, this lockset accommodates door thicknesses from 1-3/8" to 4" with a standard backset of 2-3/4" and a 3/4" latchbolt throw. UL listed, UL10c compliant, and rated for fire doors up to and including 3-hour fire ratings, the ML20914-PS delivers uncompromising security and code compliance 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 built to exceed ANSI/BHMA A156.13 Series 1000 Grade 1 requirements, delivering heavy-gauge steel construction and patented EcoFlex® technology that achieves up to 89% energy savings on electromechanical functions. The ML20914-PS is backed by a ten-year mechanical warranty, five-year MELR warranty, and two-year electrical warranty, reflecting Corbin Russwin's commitment to long-term reliability. UL listed, UL10c compliant, ADA compliant, and rated for 3-hour fire door applications, this lockset is engineered for the most demanding commercial environments where dependable, code-compliant performance is essential.