Corbin Russwin ML190-V40 Single Indicator for Sectional Mortise Trim with Cylinder Prep, Unlocked/Locked Display in White & Red, Field ReversibleProfessional Occupancy & Lock Status Indicator for Commercial Mortise ApplicationsThe Corbin Russwin ML190-V40 is a single indicator designed for use with exterior sectional mortise trim, featuring a cylinder prep and field-reversible configuration. The exterior face displays “Unlocked/Locked” wording in White and Red, while the interior carries no indicator, making it ideal for communicating room occupancy or lock status in commercial environments. As part of the ML2000 Series, this indicator is compatible with a wide range of mortise lock functions and is surface mounted using Torx security screws for secure, professional installation.Professional Features & BenefitsClear Status Display: Exterior wording reads “Unlocked/Locked” in White and Red for immediate, at-a-glance identification of room occupancy or lock status.Field Reversible Design: Handing can be reversed in the field to accommodate a variety of door configurations without requiring additional parts.Cylinder Prep Included: Configured with a cylinder prep for keyed functions, supporting secure access control on exterior sectional mortise trim.Broad Function Compatibility: Compatible with ML2000 Series functions including ML2002, ML2003, ML2011, ML2012, ML2013, ML2017, ML2022, ML2024, ML2029, ML2048, ML2049, ML2059, ML2062, ML2065, ML2067, ML2068, ML2069, ML2072, ML2073, ML2075, ML2082, ML2092, and ML20608 x NAC x PHR.Surface Mounted Construction: Designed for surface mounting on exterior sectional mortise trim for straightforward installation and a clean, professional appearance.Torx Security Screws Provided: Includes Torx security screws to deter tampering and ensure a secure, lasting installation.Optional Directional Arrow Engraving: Available with optional directional arrow engraving for enhanced wayfinding or application-specific customization.Compatibility Restrictions: Not compatible with master ring cylinders. Not compatible with BHSS, BLSS, or HSS trims verify trim compatibility prior to installation.Manufacturer Warranty: Backed by a 10 Year Limited warranty for added confidence and long-term protection.Technical SpecificationsProduct Group: Mechanical LocksWarranty: 10 Year LimitedProduct Subgroup: Status IndicatorsProduct Type: IndicatorsCommercial/Residential: CommercialLock Type: MortiseParts and Accessories Type: Replacement PartsProduct Attribute: Parts and AccessoriesProduct Model: ML190Door Hand Direction: Field ReversibleDepartment: Door HardwareProfessional ApplicationsCommercial Office BuildingsHealthcare Institutions and Medical FacilitiesEducational Facilities and CampusesHospitality and Hotel PropertiesGovernment and Municipal BuildingsRetail EstablishmentsMulti-Tenant Residential and Mixed-Use PropertiesWhy Choose Corbin Russwin Quality?Corbin Russwin ML2000 Series indicators are engineered for demanding commercial applications where reliable status communication is essential. Built for surface-mounted installation with Torx security screws and a field-reversible configuration, these indicators deliver professional-grade performance across a broad range of mortise lock functions. Backed by a 10 Year Limited warranty, Corbin Russwin provides the dependability and longevity that commercial door hardware professionals require.