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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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Outdoor/indoor blank-out signs with an IP55/NEMA 3RX cabinet, narrow-angle LEDs, and contrasting black face. The sign message is formed by visible LEDs that illuminate when activated and blank-out when deactivated.

Technical Specifications

IlluminationNarrow viewing angle LEDs (30° cone, 15° from axis)
Optional: Wide viewing angle LEDs (120° cone, 60° from axis)
LED Message ColorsRed, Amber, Green, Blue and White
LED Specs
LED Color (Type/Temp)Viewing Angle: Narrow
(mcd, typ.)
Viewing Angle: Wide
(mcd, typ.)
Red (625nm)3750660
Amber (589nm)3900780
Green (525nm)75001200
Blue (470nm)1500210
White (5500K-6500K)43501375
Automatic Photo DimmingIntegrated, ambient IR sensors on the sign board allow for automatic, gradual adjustment of LED output levels.
Message FaceBlack message face and protective 0.125” smoked, matte, impact-modified acrylic panel. Message illuminates when on and blanks out (disappears) when off.
ControlSwitch, Signal-Tech Sign Control Software, or external relay
ElectricalInput voltage: 120-277VAC or optional 12-24VDC
UL/cUL Listed for wet locations
Power SupplyTypical power supply efficiency @120VAC (50% rated load): 81%
The power supply shall not be loaded beyond its rated safe operating area.
Power supply redundancy is available upon request.
Internal WiringInternal wiring shall use drip loops. All connections made to sign during installation shall conform to the National Electrical Code and local code
Cabinet ConstructionBody: One-piece, hollow-profile extruded aluminum frame with a 0.090” wall thickness
The extrusion bends to the sign size and each end is secured together by an interlocking extrusion and screws, holding captive the display board and face material
Face: 0.125” smoked, matte, impact-modified acrylic panel
Lifting HardwareWhen needed, multiple galvanized steel lifting eyebolts may be mounted to the top of the cabinet (by others)
Cabinet DepthSingle Face Only: 6”
Cabinet FinishStandard: Electrostatically applied Quaker Macroflex black coating
Options: Custom paint colors or color-matched paint
Cabinet Interior (physical)Conformal coated circuit board and power supplies, moisture-absorbent interior coating, weep holes for drainage, sealed/closed-end fasteners used for optional, installed mounting interfaces
Back PanelThe back of the sign is formed from 0.125” aluminum sheeting and attached to the sign frame with either a piano hinge or our standard Lift’n Shift method. For span wire mounting, the back is attached by a riveted piano hinge down one side and sealed using two toolless compression locks along the opposing side. For surface mounting, use our standard Lift’N Shift construction where a lip is nestled along a specific rib within the frame extrusion and is secured by Phillips head screws on the bottom and/or sides of the frame.
MountingLift’N Shift sign back offers built-in wall mounting
Additional mounting can be purchased separately: SkyBracket Mast Arm Mounting Assembly, SkyBracket Span-Wire Mounting Assembly
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)
Accessories/OptionsAudible Alarm, Flashing, Hood/Visor
Warranty5 Years
Engineered and AssembledUSA