The Rexroth R901099808 HED8OH-20/200K14 is a high-performance, piston-type hydraulic pressure switch designed for reliable pressure monitoring and control in hydraulic systems. This component features a mechanical setting element for precise pressure adjustments up to 200 bar. When the system pressure reaches the pre-set value, the switch actuates a microswitch, opening or closing an electrical circuit. Its robust construction ensures durability and long service life in demanding industrial applications, making it an essential component for safety and automation tasks. The HED 8 series is known for its accuracy and repeatability, providing dependable performance for machine tools, presses, and general hydraulic machinery.