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.


    Featured

    New Products

    • Automatic Systems V07

      Automatic Systems V07

      Automatic Systems, an industry-leading manufacturer of pedestrian and vehicle secure entrance control access systems, is pleased to announce the release of its groundbreaking V07 software. The V07 software update is designed specifically to address cybersecurity concerns and will ensure the integrity and confidentiality of Automatic Systems applications. With the new V07 software, updates will be delivered by means of an encrypted file.

    • Squire Vulcan Combination Padlocks

      Squire Locks USA Vulcan™ Resettable Combination Padlocks

      Stop competing with flimsy, retail-grade hardware—Squire's professional-grade resettable padlocks deliver heavy-duty boron steel shackles and front-facing dials for rugged outdoor environments.

    • ADI Control4 product image

      ADI Control4® X4 & Control4® Connect

      Drive long-term system value and reduce post-installation friction with a visually redesigned control interface paired with a secure, future-ready smart service framework.