This reliable pressure switch sensor is specially made for mainstream Hyundai excavator series. It detects real-time hydraulic circuit pressure and feeds back accurate signals to machine control units. It effectively regulates system working status and guarantees stable running of hydraulic related components. With excellent pressure resistance and dustproof performance, it keeps stable working performance in harsh outdoor working environments. Produced strictly in line with original factory standards, it features sensitive triggering effect, convenient installation and long service life for daily excavator repair.