See us at 2026 ALOA Convention & Security Expo, stop by the SDC booth - #117 - and discover the latest innovations in access control, electrified door hardware, locking solutions, and integrated security technologies.

Featured At The SDC Booth

SDC Auto EntryControl low-energy swing door operators. In today’s high-traffic facilities, ADA compliance isn’t optional—it’s operational. These low-energy operators provide smooth, predictable motion that improves accessibility for everyone—wheelchair users, mobility-assisted pedestrians, delivery staff, and visitors carrying bags or equipment.

Hands-free activation through push plates or sensors reduces congestion at entrances while improving hygiene and user comfort—especially critical in healthcare and education settings.Motorized ELR Solutions. For more than a decade, Security Door Controls (SDC) has quietly but consistently led the evolution of electric latch retraction technology. Since introducing QuietDuo™ in 2012—the industry’s first motorized ELR kits for converting mechanical exit devices—SDC has earned the position of true category leader. Today, SDC delivers the industry’s most complete lineup of motorized ELR solutions, engineered for new construction, modernization, and retrofit applications alike.

All SDC ELR solutions—whether retrofit kits, exit devices, mortise locksets, or factory-installed ELR—share the same core advantage: Motorized technology, not solenoids.Standalone digital keypad access control. For business owners, office managers, or facility administrators, the EntryCheck^® series delivers a significant upgrade to your security landscape without the steep learning curve. Control who has access to your premises with personalized PINs, and swiftly add or revoke access for employees, contractors, or visitors. The straightforward PIN entry allows for seamless day-to-day access, eliminating the costs associated with re-keying and replacing lost keys.

The SDC EntryCheck^® self-contained digital keypads represent the perfect fusion of simplicity, security, and adaptability. 

Whether you're a locksmith, distributor, integrator, or security professional, our experts will be available to help identify the right solution for your applications.

How Comsense® Helps Streamline Architectural Openings and Access Control Projects

A Complete, Integrated ELR Ecosystem

Electrify Exit Devices With Confidence

Electric Latch Retraction (ELR)

Factory Installed Motorized ELR

The SDC S5000 is a heavy duty, code compliant alternative to magnetic locks that meets the market need for a storefront exit device with electric latch retraction for access control upgrades. Nightlatch functionality* is available through the use of a rim key cylinder for medium and wide stile doors making these exit devices perfect for industrial, healthcare and education aluminum glass applications.

Explore the benefits of motorized electric latch retraction in storefront exit devices, including options for Request-to-exit and Latch Status capabilities. Discover the features of the SDC S5000 exit device and how it can optimize your code compliant entrance upgrades.

Motorized ELR For Access Control

Not only does SDC’s S4000 series of electrified industrial exit devices satisfy market demand for a cost-effective exit device with ELR, the S4000 also comes standard with request-to-exit (REX) monitoring, enabling access control compatibility. With a host of additional features and options, S4000 exit devices make application as easy as Install - Power - Done.

Discover the advantages of motorized electric latch retraction in industrial exit devices, including cost-effectiveness and enhanced security. Explore the features of the SDC S4000 exit device and how it can optimize your facility's safety measures.

Electric Latch Retraction (ELR)

Since 2012, when SDC launched QuietDuo™ – the first Motorized ELR Kits to convert mechanical exit devices – we’ve been “quietly” leading in electric latch retraction (ELR) upgrades for access control. This includes retrofit solutions for most brands of exit devices as well as innovative SDC exit devices & mortise locksets with factory-installed ELR and automatic door operators with a built-in 1 Amp+ power supply to power them. Discover the transformative potential of electric latch retraction technology in revolutionizing security systems and enhancing protection.

Discover how electrified options can revolutionize access control systems, enhancing security, architectural aesthetics, and code compliance.