The NACHI SR LY10F-85-A2 is a high-precision hydraulic pressure switch designed for reliable pressure monitoring and control in various industrial hydraulic systems. Manufactured by Nachi-Fujikoshi, this switch is known for its robust construction and excellent repeatability, ensuring consistent performance in demanding applications. It operates by triggering an electrical microswitch when the system pressure reaches a pre-set value. Its compact design and standard G1/4 port connection allow for easy integration into new or existing hydraulic circuits, making it an ideal choice for machine tools, injection molding machines, and other industrial equipment requiring accurate pressure detection.