This high performance high pressure switch sensor is a key spare part for excavator hydraulic assemblies. It can accurately sense hydraulic pressure changes and send out effective control signals in time to guarantee normal switching of machine working functions. It effectively avoids system pressure abnormality and improves overall operating safety and stability. Made of wear-resistant and pressure-resistant materials with fine sealing treatment, it owns great shock resistance and durability. Complying with original factory standards, it features stable performance, easy installation and long service life for excavator repair and assembly.