The Siemens simatic FS400 light curtain transmitter 3RG7845-4DB00 24VDC 0-18 sens is a sensor/switch from Siemens. It senses object presence, distance, or position (or switches an electrical circuit) and converts that into an output signal for machine control or monitoring. Key specifications noted on this listing include 24VDC. It is commonly in production lines requiring accurate detection or operator control.
