Security Door Controls

Quiet Duo™ LR100 Latch Retraction & Dogging Field Retrofit Kits

With only 450mA inrush, SDC’s UL approved Quiet Duo LR100 series field retrofit kits provide simultaneous electric latch retraction and dogging with automatic retriggering for major brand mechanical exit devices, eliminating costly exit device replacement while providing access control and sustained dogging (pushpad depression) for sustained push-pull applications. In addition to field retrofit kits, SDC also offers factory installed options.


    • Securing Entertainment Venues Securing Entertainment Venues

      One thing entertainment venues, sports stadiums and theme park officials want to accomplish is getting people back into their seats. That is happening today—but not without understanding and technology. In this episode, AJ DeRosa shares his insight on how COVID-impacted businesses are able to face safety and security issues with confidence and technology. We also discuss visitor expectations and how venue officials can ensure their space is secure as they welcome visitors back.

    Digital Edition

    • Environmental Protection
    • Occupational Health & Safety
    • Infrastructure Solutions Group
    • Spaces4Learning
    • Campus Security & Life Safety