Sargent MD8674 Fail Secure Electrified Concealed Vertical Rod Exit Device with Remote Latch Retraction

Sargent MD8674 Fail Secure Electrified Concealed Vertical Rod Exit Device with Remote Latch Retraction

Professional Electrified Exit Device for Metal Door Applications

The Sargent MD8674 is a fail secure electrified concealed vertical rod exit device from the proven 8600 Series, engineered for standard width stile applications on hollow metal doors. This professional-grade exit device accommodates door thicknesses from 1-3/4" (44mm) minimum to 2-1/4" with 4-1/2" (114mm) minimum stile width requirements. The device features a center case measuring 8-3/8" x 2-5/8" with pushbar projection of 3" neutral and 2-1/8" when depressed, designed for door openings up to 120" (3048mm) maximum height.

Professional Features & Benefits

• Door Compatibility: Designed for hollow metal doors with 1-3/4" (44mm) minimum thickness, expandable to 2-1/4" thick doors with proper specifications.
• Stile Width Requirements: Standard width stile applications with 4-1/2" (114mm) minimum stile width for doors over 1-3/4" thickness.
• Fail Secure Electrified Operation: MD8674 function provides secure locking with electrical control for access management applications.
• Flexible Rail Sizing: Four rail sizes accommodate various door widths - E Rail (24"-32"), F Rail (33"-36"), J Rail (37"-42"), and G Rail (43"-48") with factory cutting available.
• Heavy-Duty Construction: 8600 Series design delivers simplicity, strength, and durability with stainless steel top bolt for long-term reliability.
• Comprehensive Strike System: Includes 650 Top Strike and 606 Bottom Strike for both panic and fire rated applications.
• Electric Enhancement Options: Compatible with alarm (AL), Beacon (BT), SARGuide photoluminescent coating (PL), illuminated touchpad (TL), and monitoring functions including remote latch retraction (56).
• Professional Installation: Standard machine screw mounting with device centerline at 41" (1041mm) from finished floor for standard applications or 38" (965mm) for elementary schools and accessibility compliance.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

1. Verify electrical requirements match available power supply. Confirm voltage 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 fail-secure operation 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

• Commercial Building Security Systems
• Educational Institution Safety Systems
• Healthcare Facility Access Control
• Industrial Facility Monitoring
• Government and Municipal Buildings
• Multi-Tenant Residential Properties
• Emergency Exit Compliance

Why Choose Sargent Quality?

Sargent 8600 Series exit devices deliver professional-grade reliability with heavy-duty construction featuring stainless steel components and proven electrified functionality. The MD8674 model provides fail secure operation with comprehensive electric enhancement options for demanding commercial applications where dependable access control and emergency egress performance is essential.