OMRON D4SL-N4NFG-D GUARD LOCK SAFETY DOOR SWITCHOmron D4SLN4NFGD Guard Lock Safety Door Switch A mechanical interlock switch designed for safetycritical doors and guards. The D4SLN4NFGD prevents machinery operation when access panels are open, ensuring compliance with industrial safety standards. Key Specifications Model: D4SLN4NFGD Operation: Keyinterlock with solenoiddriven latch Contacts: 4 N C positivebreak safety contacts Actuator Key: Removable with door locked Ratings: 600 VAC 0. 1 A (safety