The Omron F3SJ-E0185P25 is a Type 4 safety light curtain from the F3SJ-E series, built for hand protection with a 25 mm detection capability. Eight infrared beams spaced at a 20 mm pitch create a 185 mm protective height, meaning it catches a hand or forearm reaching into a hazard zone before fingers can contact moving machinery — that is the difference between a bruise and a lost digit. The operating range spans 0.2 m to 7.0 m, so it fits both compact stations (press brakes, small assembly cells) and wider access points up to 7 meters across. The 24 VDC supply is standard for safety circuits; IP65 rated housing means it withstands dust ingress and water jets from any direction — suitable for washdown areas in food processing or wet machining lines, though not for submersion.
Deployment context
Mounts via the standard end-cap brackets or column-mount hardware (sold separately). The 185 mm protective height and 20 mm beam pitch mean the emitter-receiver pair must be aligned within the specified tolerance — typically within ±2.5° angular misalignment — or you lose detection reliability. Cable exits from the bottom of each housing; plan for a 5-pin M12 connector or direct-wire pigtail depending on the variant. In a typical guarding layout, the curtain sits between the hazard and the operator, with a safety PLC or dedicated safety relay monitoring the OSSD outputs.