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The Simplex 4100 Signal Card Switch Primary Assembly 565-449 is a high-quality fire alarm component designed for use in commercial and industrial settings. This product, manufactured by Simplex, is a reliable choice for ensuring safety and security in facilities. With its straightforward design and compatibility with fire alarm systems, this signal card switch is a crucial component in maintaining a dependable fire protection system. Whether used as a standalone product or in combination with other fire protection equipment, this Simplex assembly is a dependable choice for any business or industrial facility looking to enhance its fire safety measures. Pulled from a perfectly working FACP

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