D290 – Switch Exhaust Make: Syannlab Solutions Pvt. Ltd. These switch dampers are crafted from high-grade, UV-treated polypropylene, ensuring durability and resistance to wear and tear. The manufacturing process prioritizes high-quality craftsmanship. The dampers come equipped with high-speed actuators capable of opening or closing the damper flap in just 4 seconds. These units excel at minimizing airflow obstruction, allowing for smooth air passage. Additionally, they operate efficiently and quietly, minimizing pressure drops and turbulence. This makes them ideal for applications demanding high airflow rates with low noise levels. When closed, the dampers offer exceptional leak resistance. Operates on a standard 230V 1A power supply from a wall socket. Features an LED indicator for clear on/off status. Provides a 10V DC analog signal to the Building Management System (BMS) to communicate damper status. Switch damper manufacturers should possess ISO 9001, 14001, and 4501 certifications. These certifications demonstrate the manufacturer's dedication to excellence in quality management systems, environmental responsibility, and occupational health and safety practices