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.


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    • The Core Value Proposition

      The Core Value Proposition

      Machine and deep learning algorithms are everywhere in our lives. Masquerading as AI, they are only in their infancy. Have a conversation with a ChatGPT chatbot, and it becomes clear just how far we have come in a short time and how far we have to go. Read Now

    • Using Modern Technology

      Using Modern Technology

      Workplace violence is a serious and growing challenge for many organizations — including those in the healthcare industry. Read Now

    • Progressing in Capabilities

      Progressing in Capabilities

      Hazardous areas within industries like oil and gas, manufacturing, agriculture and the like, have long-sought reliable video surveillance cameras and equipment that can operate safely in these harsh and unpredictable environments. Read Now

    • A Comprehensive Nationwide Solution

      A Comprehensive Nationwide Solution

      Across the United States, manufacturing facilities, distribution centers, truck yards, parking lots and car dealerships all have a common concern. They are targets for catalytic converters. In nearly every region, cases of catalytic converter thefts have skyrocketed. Read Now

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      SecureAuth

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    • Camden Door Controls Application Spec Guide

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