aronrich

  Door contacts are vital parts of an intrusion alarm system. There is a huge variety of door contacts available in the market such as overhead door magnetic contacts , surface mounted magnetic contacts, recessed mounted magnetic contacts and more. It is important to understand their functions and features to choose the right product to suit your application. Residential vs. commercial Whether you're working on a residential or business project will determine who you contact. A commercial building will, in many situations, require contacts with larger gaps than a residential building. For instance, a warehouse door or a set of lobby doors will have significantly greater play between the door and the frame than typical doors in a house. The size and construction of the door contact is another important consideration. Residential door contacts are typically smaller in size and designed to be fitted on household doors. Commercial door contacts are often larger and built for metal doo...