Corbin Russwin ML20906 Single Cylinder 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 ML20906 is a Single Cylinder Mortise Electrified Lever Lockset from the ML2000 Series, featuring the RW Regis (Wrought) lever design and engineered to meet the rigors of high-traffic, abusive environments. Built with heavy-gauge steel construction and certified to ANSI/BHMA A156.13 Series 1000 Operational and Security Grade 1, 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. Featuring Fail Safe/Fail Secure operation and Motorized Electric Latch Retraction (MELR), the ML20906 integrates seamlessly with access control platforms and Corbin Russwin key systems including the patented Access 3® and Pyramid high-security systems.
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 with heavy-gauge steel construction and certified to ANSI/BHMA A156.13 Series 1000 Operational and Security Grade 1, far exceeding standard durability and security requirements for demanding commercial applications. The ML20906 carries UL listing, UL10C fire door compliance for ratings up to 3-hours, ADA compliance, and ASTM E330 certification, backed by a ten-year mechanical warranty, five-year MELR warranty, and two-year electrical warranty. Engineered with EcoFlex® technology for up to 89% energy savings and featuring direct drive performance for consistent, long-lasting operation, this lockset delivers the professional-grade reliability essential for high-traffic, security-critical environments.
Manufacturer Resources
Product Specs
- Subcategory:
- Mortise Locks
- Product Group:
- Mechanical Locks
- Series:
- ML2000 Series
- Standard Latch:
- 3/4" Latchbolt
- Standard Strike:
- ANSI-Straight Lip,1-1/8" (29mm) Lip to Center
- Product Subgroup:
- Mortise Lockset
- Product Type:
- Mortise Locks
- Commercial/Residential:
- Commercial
- Lock Type:
- Mortise
- Lock Function:
- Fail Safe/Fail Secure
- Product Model:
- ML20906
- Collection:
- ML2000 Series
- Product Function:
- Fail Safe/Fail Secure
- Door Hand Direction:
- Field Reversible
- Door Thickness Range:
- 1-3/4"
- Product Substrate:
- Steel
- Product Category:
- Mechanical Locks
- Backset (Distance):
- 2-3/4"
- Department:
- Door Hardware