Sargent 8249 Heavy Duty Double Cylinder Mortise Lock with Security Deadbolt Function
Industry Benchmark Mortise Lock with Maximum Security and Performance
The Sargent 8249 heavy duty double cylinder mortise lock delivers maximum security, performance, and durability as the industry benchmark for mortise locks. This security deadbolt function features a multi-functional lock body with 2 3/4" backset depth and 1 3/4" door thickness compatibility. The lock operates from 12 to 24VDC with EcoFlex technology that reduces power consumption up to 96%, and integrates with all SARGENT key systems including Degree, Signature, KESO, and XC.
Professional Features & Benefits
- 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: Advanced power management creates up to 89% energy savings on all electromechanical functions while maintaining reliable 12 to 24VDC operation.
- Heavy-Duty Construction: Robust lever-style mortise lock design with patented construction exceeds independently verified testing standards for maximum strength and reliability.
- Universal Key System Integration: Compatible with all SARGENT key systems (Degree, Signature, KESO, and XC) for seamless integration into existing security infrastructure.
- Multi-Functional Design: Available in 56 different functions including electromechanical, security and monitoring options with field reversible handing for installation flexibility.
- Comprehensive Fire Rating: UL 10C Fire-Rated up to 3 hours with NFPA 80 compliance for critical fire safety applications.
- Grade 1 Performance: ANSI/BHMA A156.13 Series 1000 Operational Grade 1 certification with ADA compliance for professional commercial installations.
- Extended Warranty Coverage: 10-year limited warranty with 2-year coverage on electrical components for long-term protection and confidence.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Installation & Operation
- Verify electrical requirements match available power supply. Confirm 12 to 24VDC voltage 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 Building Security Systems
- Healthcare Facility Access Control
- Educational Institution Safety Systems
- Government and Municipal Buildings
- Industrial Facility Monitoring
- Multi-Tenant Residential Properties
- Emergency Exit Compliance
Why Choose Sargent Quality?
Sargent mortise locks deliver professional-grade reliability with patented design and construction rated for 16 million cycles with UL verification. The 10-year limited warranty with 2-year electrical component coverage provides exceptional protection for demanding commercial applications. Engineered with comprehensive certifications including UL 10C 3-hour fire rating and ANSI/BHMA Grade 1 performance where dependable security performance is essential.
Product Documentation & Resources
Manufacturer Resources
Product Specs
- Series:
- 8200 Series
- Grade:
- Grade 1
- Keyed Function:
- Double Cylinder
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Subcategory:
- Bored Locksets
- Keyed:
- Yes
- Commercial/Residential:
- Commercial
- Lock Type:
- Mortise
- Lock Function:
- Security Deadbolt
- Product Type:
- Mortise Locks
- Duty Level:
- Heavy Duty
- Handle Type:
- Lever
- Product Attribute:
- Mortise Locks
- Electronic:
- No
- Product Function:
- Security Deadbolt
- Product Category:
- Mechanical Locks
- Collection:
- 8200 Series
- Department:
- Door Hardware