Sargent 8231 Heavy Duty Single Cylinder Mortise Lock with EcoFlex Technology and Grade 1 Rating
Industry Benchmark Mortise Lock with Maximum Security and Performance
The Sargent 8231 heavy duty single cylinder mortise lock represents the industry benchmark for commercial-grade security hardware, featuring Grade 1 operational rating and EcoFlex technology for up to 89% energy savings. This utility function model operates from 12 to 24VDC with field-reversible handing and delivers exceptional durability with UL testing completed at 16 million cycles. The multi-functional lock body accommodates 1 3/4″ door thickness with 2 3/4″ backset and includes a 3/4″ latchbolt throw for reliable security performance.
Professional Features & Benefits
- Exceptional Durability Rating: UL Cycle Above and Beyond test completed at 16 million cycles (Verification ID: V584148) for unmatched longevity in high-traffic commercial applications.
- EcoFlex Energy Technology: Advanced power management creates up to 89% energy savings on electromechanical functions while maintaining reliable operation.
- Flexible Power Operation: Standard 12 to 24VDC operation with field-reversible handing for versatile installation requirements.
- Heavy-Duty Construction: Grade 1 operational rating with patented design and construction exceeding industry standards for strength and reliability.
- Door Compatibility: Designed for 1 3/4″ door thickness with 2 3/4″ backset and 3/4″ latchbolt throw for secure installation.
- Universal Key System Integration: Compatible with all SARGENT key systems including Degree, Signature, KESO, and XC for comprehensive access control flexibility.
- Multi-Functional Design: Available in 56 different functions including electromechanical, security and monitoring options with on-site function switching capability.
- Comprehensive Fire Rating: UL 10C Fire-Rated up to 3 hours with NFPA 80 compliance for critical fire safety applications.
- Manufacturer Warranty: 10-year limited warranty with 2-year coverage on electrical components for long-term confidence and protection.
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 field-reversible handing and any configurable options per application requirements.
- Restore power and test all functions including normal operation, electromechanical 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
- Government and Municipal Buildings
- Industrial Facility Access Points
- Multi-Tenant Residential Properties
- Emergency Exit Compliance Systems
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 provides exceptional protection for demanding commercial applications. Engineered as the industry benchmark for mortise locks, this Grade 1 rated hardware combines maximum security with EcoFlex energy efficiency technology for dependable performance where reliability is essential.
