SDC TDA-SHK Shear Lock Timer Board

Improve access control reliability with the Security Door Controls SDC TDA-SHK Shear Lock Timer Board, designed to deliver consistent timed operation for shear-lock applications. As a dedicated control panel board, the TDA-SHK provides integrators and security professionals with repeatable lock/unlock timing that helps protect hardware, reduce nuisance alarms, and support coordinated responses with surveillance and monitoring systems. The board is manufactured by Security Door Controls (Manufacturer Part Number: TDA-SHK) and is expressly compatible with the SDC 1562 series, enabling quick integration into existing SDC access control installations. Built for commercial security environments, the timer board reduces installation complexity and improves uptime — critical for facilities that depend on continuous access management and alarm monitoring. Whether you're upgrading a single door or standardizing across multiple openings, the SDC TDA-SHK simplifies wiring and delivers predictable lock behavior to enhance safety and operational efficiency. Contact your Security Door Controls distributor or order the TDA-SHK today to add precise, reliable timing control to your access control and surveillance setup.

• Simplifies shear-lock control with a dedicated timer board to ensure reliable, timed unlocking for high-security doors
• Integrates seamlessly with Security Door Controls systems (compatible with SDC 1562) to reduce installation time and troubleshooting
• Protects locking hardware and reduces wear by managing precise activation intervals, improving long-term system reliability
• Facilitates monitoring and access-control workflows for security and surveillance systems by providing stable, repeatable lock timing
• Compact control panel board design for easy mounting in electrical cabinets or security racks, minimizing footprint and wiring complexity