Commercial/Residential Mortise Lockset Heavy Duty Door Lever Lock Non-Handed Grade 1 - Rose Only Keyed Lever Lockset, UL CUL & ADA Office Front Door

SUMBIN ANSI Grade 1 Commercial Mortise Lockset with UL Fire Rating This is a professional-grade, heavy-duty mortise lock​ engineered for demanding commercial door​ applications. It is a complete mortise lock set​ featuring a robust architectural mortise lock​ body and trim, designed for superior security and life safety. Certified to the highest ANSI Grade 1​ standard, it delivers exceptional durability, strength, and cycle life for high-traffic environments like office buildings, hospitals, and apartment complexes. Importantly, this UL listed fire lock​ is tested and rated for use on fire-rated doors. It meets UL 10C​ requirements for positive pressure fire tests, making it suitable for labeled fire door assemblies. As a fire exit mortise lock, it provides the necessary exit trim​ functionality (such as lever operation for easy egress) while maintaining the door's required fire-resistive rating, which may be up to 3 hours. This security mortise lock​ is built to install on a variety of door materials, including hollow metal doors, steel doors, and solid core wood doors. It is available with different trim options like lever trim​ and can be specified with various function codes​ (e.g., entry, storeroom) to suit your access control needs. The universal hand​ design often simplifies ordering and installation. For the highest level of protection, choose a model with a Grade 1 mortise deadbolt. Note:​ This is a fire door hardware​ component. Professional installation by a qualified technician is mandatory to ensure proper function and compliance with local building and fire codes. Always verify compatibility with your specific door type, fire rating, and handing before purchase.

• 1. Premium Security & Fire Safety Certification：This mortise lock is engineered for critical applications, boasting the highest ANSI/BHMA Grade 1​ rating for superior durability, strength, and security in commercial and heavy-traffic use. It is also a UL Listed Fire Rated Mortise Lock (compliant with standards like UL 10C), designed for fire-rated door assemblies (e.g., 3-hour rated) to help restrict the spread of fire and smoke, making it suitable for fire exits, stairwells, and compartmentalization doors.
• 2. Heavy-Duty Commercial Construction & Materials：Built for demanding daily use in commercial, office, apartment building, hotel, and hospital​ settings. Features a robust mortise lock body made from hardened steel or other durable metals, with a high-strength bolt (deadbolt) and reinforced strike plate to resist forced entry, repeated cycling, and abuse common in public or high-traffic doors.
• 3. Complete Mortise Lock Set for Architectural Hardware：This is a complete architectural mortise lock set​ designed for integration into the door edge. The package typically includes the mortise lock body (case), trim (such as lever or knob handles on both sides), a heavy-duty mortise deadbolt, the necessary faceplates, strike plate, mounting screws, and keys. It is designed to meet the specifications for commercial door mortise lock​ and office door mortise lock​ installations.
• 4. Specific Compliance & Intended Use：Clearly designed for specific code-compliant applications. As a fire exit mortise lock, it meets relevant panic/egress hardware requirements while maintaining its fire rating. Its Grade 1 fire rated mortise lock​ status ensures it is tested and approved for use on labeled fire door assemblies where life safety is paramount, such as in corridors of apartment buildings, hotels, and hospitals.
• 5. Professional Installation & Compatibility Notes：Intended for professional installation by a qualified locksmith or door hardware installer. Critical pre-installation verification is required:​ Confirm your door's fire rating label, door thickness, hand (handing), backset, and preparation for a mortise lock pocket. This lock is not a direct replacement for cylindrical locksets and requires a correctly sized mortise pocket in the door edge. Always consult local building codes and the door manufacturer's specifications before purchase and installation.