Schmersal 101127663 DDE-42279 Door Interlock Switch

Schmersal 101127663 DDE-42279 is a door interlock switch designed to secure access to guarded industrial equipment by locking a door when safety conditions require it and signaling the safety controller when the door is opened. As part of Schmersal's door interlock systems, this device sits among a broad family of safety switches produced by Schmersal, a global leader in safety technology with thousands of devices in production and a worldwide presence. The DDE-42279 designation identifies a specific interlock model used to maintain guarded operation within plant safety architectures, supporting reliable interlock signaling to control panels and safety circuits. Typical applications include safeguarding automated machinery where access must be controlled during operation. For exact electrical configuration, mechanical dimensions, mounting options, and certifications for this part number, refer to Schmersal's official product documentation.