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Wholesale Manufacturer of Directional LED Signs & Signals

STR Series Outdoor LED Blank-out Signs

STR Series Sign Image

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Highway grade outdoor blank-out signs designed with super bright LEDs and a contrasting face; guaranteed readable in direct sunlight. The sign message is formed by strategically placed visible LEDs on a black sign face and is designed to illuminate the message or messages when turned on and blank-out or extinguish the message when off. Messages can be overlaid to reduce the physical footprint of the sign.

It is engineered with a solid-state circuit board and switch-mode power supply for maximum LED life. It has a corrosion resistant, reinforced all-weather cabinet and a robust back that is ideal for span wire and mast arm mounting. Each sign ships with our Lift'N Shift back for wall mounting. Standard cabinet finish is Black; custom paint finishes are available. Sign can be controlled by a switch, Signal-Tech Sign Control Software or third-party relay. Control switch and software can be purchased separately. UL/cUL Listed for wet locations. Manufactured in the USA.

Technical Specifications

IlluminationSuper bright, direct-view LEDs
LED Message ColorsRed, Amber, Green, Blue and White Individual LEDs form the message characters
LED TypeStandard: Narrow Angle
Wide angle LEDs available upon request
LED Specs
LED Color/Viewing AngleNarrow AngleWide Angle
Ambient Light MeasurementIntegrated, ambient light sensors on the sign board allows for automatic, gradual adjustment of LED output levels.
MessageMessage blanks-out when off.
Stock messages or custom messages available
ElectricalInput voltage 120-277VAC or low volt 12-24VDC
UL/cUL Listed for wet locations
Power SupplyTypical power supply efficiency: 81%
The power supply shall not be loaded beyond its rated safe operating area. Redundancy available upon request.
Internal WiringAll wiring shall conform to the National Electrical Code and internal wiring shall use drip loops.
Cabinet ConstructionOne-piece extruded aluminum reinforced frame with a 0.125” thick, dark grey diffused acrylic face panel. The extrusion bends to the sign size and each end is secured together by an interlocking extrusion and screws. Moisture absorbent interior coating.
Cabinet Depth6"
Cabinet FinishStandard: Electrostatically applied Quaker Macroflex Black coating
Options: Custom paint colors or color matched paint
Back PanelThe back of the sign is formed from a 0.125” aluminum sheet. At the top of the back, there is a lip that is inserted into a channel within the frame extrusion. At the bottom of the back panel, there are two screw holes which secure the back to the frame.
Lifting HardwareWhen needed, multiple galvanized steel lifting eyebolts may be mounted to the top of the cabinet (by others).
Temperature and Humidity RatingsThe Cabinet and sign components shall operate in the following temperature and humidity conditions:
  • Operational & storage temperature range: -40°F to +165°F
  • Humidity range: 0% to 99% (non-condensing)
ControlSwitch, Signal-Tech Sign Control Software or external relay
Accessories/OptionsAudible Alarm, Flashing, Hoods, Automatic Brightness Dimming
Warranty5 Years
Country of OriginManufactured and assembled in the USA
MountingLift’N Shift sign back offers built in wall mounting (single faced signs only) Additional mounting can purchased separately: Ceiling, post, side & recessed