Corbin Russwin ML197 Grade 1 V20 Indicator for Sectional Trim without Input (Blank), Exterior displays "Vacant / Occupied" in Green & Red

Corbin Russwin ML197-V20 Vacant/Occupied Indicator for ML2000 Series Sectional Mortise Trim, Green & Red, Field Reversible

Single Indicator for Exterior Sectional Mortise Trim — Occupancy Status at a Glance

The Corbin Russwin ML197-V20 is a single indicator designed for use with Exterior Sectional Mortise Trim in the ML2000 Series. This indicator displays "Vacant/Occupied" wording on the outside in Green and Red, with no indicator on the inside, making it ideal for clearly communicating room occupancy or locked/unlocked status. The V20 configuration is field reversible and functions without input (blank), providing a clean, unobtrusive appearance on the exterior trim. Compatible with ML2000 Series functions including ML2003, ML2011, ML2040, ML2059, ML2073, and ML20609 x NAC x PHR.

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 with Private Offices or Conference Rooms
• Healthcare Facilities Including Exam Rooms and Patient Suites
• Hospitality Properties Such as Hotels and Resorts
• Educational Institutions with Faculty Offices and Counseling Rooms
• Government and Municipal Buildings with Secured or Private Spaces
• Multi-Tenant Professional Office Complexes
• Retail Establishments with Fitting Rooms or Private Consultation Areas

Why Choose Corbin Russwin Quality?

Corbin Russwin status indicator products are engineered for demanding commercial applications, backed by a 10 Year Limited warranty and designed to integrate seamlessly with the ML2000 Series Mortise Lockset platform. The ML197-V20 features surface-mounted sectional trim construction with Torx security screws for tamper-resistant installation, delivering reliable occupancy status communication in high-traffic professional environments. When dependable, clearly visible room status indication is essential, Corbin Russwin delivers the commercial-grade performance that facility managers and security professionals trust.