4FRONT AP5091 LED Status Indicator Light is a 4-inch round indicator designed for 115V operation, featuring a green LED illumination. The AP5091 unit provides a visible status signal in industrial automation equipment and control panels where a large-format indicator is desired. The designation AP5091 and the listing note “4FRONT 115V 4" ROUND GREEN LED LIGHT” indicate a 4-inch, bezel-ready form factor with green illumination. This indicator is part of 4FRONT’s lineup of industrial LED status devices and should be installed in compatible panel cutouts according to the manufacturer’s specifications.
