The Littelfuse ESDR421A4 is a solid state timer designed for recycling applications. This timer features a compact design, ensuring efficient space utilization in control panels. With a robust construction, it operates reliably under various conditions. The timer is engineered to meet industry standards, ensuring compliance with ISO and ANSI regulations. Its precise timing capabilities make it ideal for automation and control systems, enhancing operational efficiency. The ESDR421A4 is compatible with a range of systems, making it a versatile choice for engineers and technicians.