Sargent 8257 Institutional Privacy Lock Heavy Duty Grade 1 Mortise Lock with EcoFlex Technology

Sargent 8257 Grade 1 Institutional Privacy Mortise Lock with EcoFlex Technology

Industry Benchmark Mortise Lock with Maximum Security and Performance

The Sargent 8257 represents the industry benchmark for commercial mortise locks, delivering maximum security, performance, and durability with high-quality components. This Grade 1 institutional privacy lock features a multi-functional lock body with 2 3/4" backset, 1 3/4" door thickness compatibility, and 3/4" latchbolt throw. The electromechanical version operates from 12 to 24VDC with revolutionary EcoFlex technology that reduces power consumption up to 96%, while maintaining UL 10C fire rating up to 3 hours and ANSI/BHMA A156.13 Series 1000 certification.

Professional Features & Benefits

• Exceptional Durability Testing: UL Cycle Above and Beyond test completed at 16 million cycles (Verification ID: V584148) for unmatched reliability in high-traffic commercial applications.
• EcoFlex Energy Technology: Revolutionary technology creates up to 89% energy savings on all electromechanical functions while maintaining full operational performance.
• Flexible Power Operation: Electromechanical version operates from 12 to 24VDC for versatile integration with various access control systems.
• Heavy-Duty Construction: Multi-functional lock body with patented design and construction provides maximum security and performance for institutional applications.
• Universal Key System Integration: Integrates with all SARGENT key systems including Degree, Signature, KESO, and XC for comprehensive security management.
• Comprehensive Function Options: Available in 56 different functions including electromechanical, security and monitoring configurations for diverse application requirements.
• Fire Safety Compliance: UL 10C positive pressure fire-rated up to 3 hours with NFPA 80 compliance for critical life safety applications.
• Manufacturer Warranty: 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

1. Verify electrical requirements match available power supply. Confirm voltage (12 to 24VDC) and current capacity before proceeding.
2. Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures.
3. Mount the unit in the specified location ensuring adequate clearance for wiring access, ventilation, and future service requirements.
4. Route and connect wiring according to manufacturer wiring diagrams. Use appropriate wire gauge and connectors for the application.
5. Configure operational settings including any configurable options per application requirements.
6. Restore power and test all functions including normal operation, alarm/alert functions, and integration with connected systems.
7. Complete final inspection and document settings. Refer to manufacturer documentation for complete wiring diagrams, programming instructions, and troubleshooting.

Professional Applications

• Healthcare Facility Access Control
• Educational Institution Security Systems
• Commercial Office Buildings
• Government and Municipal Buildings
• Industrial Facility Monitoring
• Multi-Tenant Residential Properties
• Institutional Privacy Applications

Why Choose Sargent Quality?

Sargent 8200 Series mortise locks deliver professional-grade reliability with patented design and construction rated for 16 million cycles in independent UL testing. The 10-year limited warranty with 2-year electrical component coverage provides exceptional protection for demanding commercial applications. Engineered with comprehensive certifications including ANSI/BHMA Grade 1, UL 10C fire rating, and ADA compliance, these locks represent the industry benchmark where dependable performance and maximum security are essential.