Corbin Russwin ML20907 Grade 1 No Cylinder Mortise Electrified Lever Lockset, RW-Regis (Wrought) Lever

Corbin Russwin ML20907-RW ML2000 Series Mortise Electrified Lever Lockset with RW Regis Wrought Lever, Fail Safe/Fail Secure, ANSI/BHMA Grade 1

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

The Corbin Russwin ML20907-RW is a heavy-duty electrified mortise lever lockset from the ML2000 Series, engineered to meet the rigors of high-traffic and abusive commercial environments. Built on a heavy-gauge steel substrate and certified to ANSI/BHMA A156.13 Series 1000 Operational and Security Grade 1, this lockset features the RW Regis (Wrought) lever design and supports Fail Safe/Fail Secure operation for flexible access control integration. With a standard door thickness of 1-3/4" (accommodating doors from 1-3/8" to 4" thick), a standard backset of 2-3/4" (range: 2-3/8" to 2-3/4"), and a 3/4" latchbolt throw, this lockset is designed for wood, hollow metal, and bullet-resistant doors. EcoFlex® technology delivers up to 89% energy savings on all electromechanical functions, while Motorized Electric Latch Retraction (MELR) retracts the latchbolt in ½ second with applied power for swift access control.

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
• Educational Facilities
• Government and Municipal Buildings
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential 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, with UL listing, UL10C compliance, and fire door ratings up to 3-hours ensuring dependable performance in the most demanding commercial environments. The ML20907-RW 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. With EcoFlex® technology delivering up to 89% energy savings and direct drive performance engineered to eliminate lever sag, this lockset is purpose-built for high-traffic applications where consistent, professional-grade security is essential.