This is a brand new, factory-sealed Allen-Bradley 1756-L73S Ser B GuardLogix Controller with 8MB/4MB memory. It is a powerful and reliable device that can be used for various industrial automation and motion control applications. With its advanced features and capabilities, it can help enhance your business processes and make them more efficient and effective. This controller is compatible with PLC Processors and PLCs & HMIs, making it a versatile and flexible choice for your automation needs. Buy with confidence and trust in the quality of Allen-Bradley products.