Sargent 8251 Heavy Duty Single Cylinder Storeroom Deadbolt Mortise Lock with Rose Trim
Industry Benchmark Mortise Lock with Maximum Security and Performance
The Sargent 8251 heavy duty single cylinder storeroom deadbolt mortise lock delivers maximum security, performance, and durability as the industry benchmark for commercial mortise locks. This professional-grade lock features a 2 3/4" backset, 1 3/4" door thickness compatibility, and 3/4" latchbolt throw for reliable operation. The lock integrates with all SARGENT key systems including Degree, Signature, KESO, and XC, and operates from 12 to 24VDC with EcoFlex technology reducing power consumption up to 96%.
Professional Features & Benefits
- Precision Door Specifications: Standard 2 3/4" backset depth with 1 3/4" door thickness and 3/4" latchbolt throw for reliable mechanical operation.
- Ultra-High Durability Rating: UL Cycle Above and Beyond test completed at 16 million cycles (Verification ID: V584148) for exceptional longevity in high-traffic commercial applications.
- EcoFlex Energy Technology: Operates from 12 to 24VDC with power consumption reduction up to 96% on electromechanical functions, creating up to 89% energy savings for cost-effective operation.
- Heavy-Duty Construction: Multi-functional lock body with patented design and construction provides maximum strength and reliability exceeding industry standards.
- Universal Key System Integration: Compatible with all SARGENT key systems including Degree, Signature, KESO, and XC for flexible security management.
- Fire-Rated Performance: UL 10C Fire-Rated up to 3 hours with NFPA 80 compliance for critical fire safety applications.
- Comprehensive Function Options: Available in 56 different functions including electromechanical, security and monitoring configurations for diverse application requirements.
- Manufacturer Warranty: 10-year limited warranty with 2-year coverage on electrical components for added confidence and protection.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Installation & Operation
- Verify electrical requirements match available power supply. Confirm voltage (12 to 24VDC) and current capacity before proceeding.
- Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures.
- Mount the unit in the specified location ensuring adequate clearance for wiring access, ventilation, and future service requirements.
- Route and connect wiring according to manufacturer wiring diagrams. Use appropriate wire gauge and connectors for the application.
- Configure operational settings including any configurable options per application requirements.
- Restore power and test all functions including normal operation, alarm/alert functions, and integration with connected systems.
- Complete final inspection and document settings. Refer to manufacturer documentation for complete wiring diagrams, programming instructions, and troubleshooting.
Professional Applications
- Commercial Office Buildings
- Educational Facilities
- Healthcare Institutions
- Retail Establishments
- Industrial and Warehouse Facilities
- Multi-Tenant Residential Properties
- Government and Municipal Buildings
Why Choose Sargent Quality?
Sargent 8200 Series mortise locks deliver professional-grade reliability with patented design and construction rated for 16 million cycles in UL testing. The 10-year limited warranty with 2-year electrical component coverage demonstrates the manufacturer's confidence in long-term performance. Engineered for demanding commercial applications where dependable security and maximum durability are essential.
Manufacturer Resources
Product Specs
- Series:
- 8200 Series
- Grade:
- Grade 1
- Keyed Function:
- Single Cylinder
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Subcategory:
- Bored Locksets
- Keyed:
- Yes
- Commercial/Residential:
- Commercial
- Lock Type:
- Mortise
- Lock Function:
- Storeroom Deadbolt
- Product Type:
- Mortise Locks
- Duty Level:
- Heavy Duty
- Handle Type:
- Lever
- Product Attribute:
- Mortise Locks
- Electronic:
- No
- Product Function:
- Storeroom
- Product Category:
- Mechanical Locks
- Collection:
- 8200 Series
- Department:
- Door Hardware