The F3SG-4SRB1440-25 is a Safety Light Curtain GLC, Basic, Hand Safe manufactured by Omron. It is an electronic safety device designed to protect against accidental or unintended contact with hazardous areas in industrial, automation, and inspection applications. The F3SG-4SRB1440-25 includes two safety curtain receivers and one safety curtain transmitter, each with a width of 1,440mm and a protection height of 25mm. The light curtain uses a three-layer protection system to detect and stop any object that crosses the prevention area. The device also includes a muting feature for increased efficiency. The F3SG-4SRB1440-25 complies with IEC 61496-1 and IEC 61496-2 international standards, and is certified to be used in a Category 4 medium risk environment.