Omron D40R-LPU-21-05 Magnetic Switch, Mature Lifecycle

The D40R-LPU-21-05: A magnetic switch like this one detects the presence of a magnet — typically mounted on a moving door, hatch, or safety guard — and changes its output state. No physical contact, no plunger to jam. It's the kind of part you spec into a machine interlock circuit or a position-feedback loop where a mechanical limit switch would get chewed up by vibration or debris. The PLAST body means it's built for industrial environments, not a clean-room toy.