Sargent 8252-ET Grade 1 Security Deadbolt Mortise Lock with Heavy Duty Double Cylinder and EcoFlex Technology

Sargent 8200 Series Grade 1 Security Deadbolt Mortise Lock with EcoFlex Technology 12-24VDC

Industry Benchmark Mortise Lock with Maximum Security and Performance

The Sargent 8200 Series mortise lock represents the industry benchmark for maximum security, performance, and durability in commercial door hardware. This Grade 1 security deadbolt function features heavy-duty double cylinder construction with 2 3/4" backset depth and 1 3/4" door thickness compatibility. The electromechanical version operates from 12 to 24VDC with patented 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

• Door Compatibility: Designed for 1 3/4" door thickness with standard 2 3/4" backset for versatile commercial installation applications.
• Industry-Leading Durability: UL Cycle Above and Beyond test completed at 16 million cycles (Verification ID: V584148) for exceptional longevity in high-traffic commercial applications.
• Flexible Power Options: Operates from 12 to 24VDC with patented EcoFlex technology that reduces power consumption up to 96% for energy-efficient operation.
• Heavy-Duty Construction: Grade 1 security deadbolt function with heavy-duty double cylinder construction provides maximum resistance against vandalism and unauthorized entry.
• Universal System Compatibility: Integrates with all SARGENT key systems including Degree, Signature, KESO, and XC for comprehensive access control flexibility.
• Fire-Rated Performance: UL 10C positive pressure fire-rated up to 3 hours with NFPA 80 compliance for critical life safety applications.
• Field-Reversible Configuration: Field-reversible handing reduces inventory requirements and simplifies installation for various door configurations.
• 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

1. Verify electrical requirements match available power supply. Confirm 12 to 24VDC voltage and current capacity before proceeding with electromechanical functions.
2. Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures.
3. Mount the mortise lock body in the specified door preparation ensuring proper alignment with 2 3/4" backset and 1 3/4" door thickness requirements.
4. Route and connect wiring according to manufacturer wiring diagrams for electromechanical functions. Use appropriate wire gauge and connectors for the application.
5. Configure operational settings including field-reversible handing and any electromechanical functions per application requirements.
6. Restore power and test all functions including normal operation, deadbolt engagement, electromechanical features, and integration with connected access control systems.
7. 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 and Warehouse Facilities
• Multi-Tenant Residential Properties
• Fire-Rated Door 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 demonstrates the manufacturer's confidence in long-term performance. Engineered for demanding commercial applications where maximum security, fire safety compliance, and dependable operation are essential.