Protects against power supply reversal and short circuits, allowing direct connection with PLCs for safer and simpler wiring. Suitable for common installations with medium environmental resistance, providing dependable performance in everyday automation settings. Red LED indicates the sensor operation state, enabling quick status checks and easier troubleshooting. Economical and simple to operate, reducing setup time and overall costs. Direct PLC compatibility ensures straightforward integration without the need for additional protection circuitry. Use scenarios PLC controlled manufacturing line: connect sensors directly to PLC inputs with built in protection, reducing wiring complexity and setup time. Control panels and automation cabinets: reliable protection for sensors in everyday industrial environments, simplifying maintenance and diagnostics. Equipment that requires quick visual status checks: red LED provides immediate indication of sensor activity to technicians during setup and servicing.