The SAGINOMIYA FNS-C110PU0 is a highly reliable and durable flow switch designed to detect the flow of liquid in pipelines. It is commonly used in heating, air-conditioning, refrigeration, and water treatment systems to protect equipment such as pumps, compressors, and chillers from damage caused by a lack of fluid flow. When the flow rate rises above or falls below the set point, the SPDT switch is activated, which can be used to trigger an alarm, shut down a system, or start an auxiliary pump. Its robust construction ensures long-lasting performance in demanding industrial and commercial applications.