SDC
SDC products are a trusted choice at National Lock Supply for access control systems that demand performance and reliability. From electrified locks to power supplies, SDC hardware supports modern security infrastructure across commercial and institutional spaces. Explore all SDC product categories available here.
Frequently Asked Questions
What types of products does SDC offer?
SDC provides access control solutions including electrified locks, electric strikes, power supplies, exit devices, and key switches.
Where are SDC products assembled?
All SDC products are assembled in the USA, ensuring high-quality manufacturing standards.
What voltage do SDC power supplies support?
Most SDC power supplies offer 24V DC regulated and filtered power suitable for inductive loads such as electronic locks.
Where are SDC solutions commonly used?
SDC solutions are commonly installed in commercial buildings, museums, airports, and secure facilities.