Signal-Tech 54557 SBL1418R-N811/120-277VAC Indoor Blank-Out LED Backlit Sign "Danger Do Not Enter Test In Progress"

This SBL Series DANGER DO NOT ENTER TEST IN PROGRESS indoor, blankout, LED backlit sign is designed with a matrix of energy efficient LEDs illuminating a block-style message. The sign features blankout technology that only displays the sign message when illuminated.  It is engineered with a solid-state circuit board and switch-mode power supply for maximum LED life. The cabinet is constructed of corrosion-resistant, extruded all-weather frame and ships with our Lift'N Shift back for wall mounting. Ceiling, post and wall-projection mountings are available. Standard cabinet finish is Duranodic Bronze; custom paint finishes are available. Sign can be controlled by a switch or third-party relay.  Control switch can be purchased separately. UL/cUL Listed.

For more information, please see Data Sheet