OMRON D4SL-N3NDG-D Safety Door Switch

The OMRON D4SL-N3NDG-D (D4SL-N3NDG-D) is an industrial safety door switch engineered for machinery safety interlocking, maintenance, repair, and replacement applications across automated manufacturing facilities. Designed as part of the OMRON safety component family, this safety door switch monitors the status of protective machine guards, access doors, barriers, and safety covers, ensuring that equipment operations are properly interrupted or prevented when a guard or safety enclosure is opened. The switch provides critical machine safeguarding to protect operating personnel from dangerous machinery movements and hazards during routine operations and maintenance routines. With a listed net weight of 10 kg, the unit is constructed for durable installation in industrial enclosures, automated production cells, safety fences, and machine tool safety interlock circuits. It is suitable for direct replacement of existing units with matching model and part number designations. Thorough verification of the part number and system specifications against application documentation is recommended prior to installation.