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Extinguishable Message Sign (EMS)
Product Overview
McCain’s Extinguishable Message Sign (EMS) provides a clearly visible fixed message to en-route motorists. Strategically placed, this sign improves overall safety by providing motorists with pertinent roadside information or warnings. Commonly used EMS applications include safety information near airports, data regarding direction or availability for carpool lanes or toll roads, radio frequencies for advisory radio stations, and general traffic alerts. McCain’s EMS signs are the perfect addition to your overall Intelligent Transportation System (ITS) and can improve traffic flow and safety in your jurisdiction.
Benefits
- Automatic dimming responds to ambient light minimizing nighttime glare and reducing energy consumption
- Non-glare window maximizes sign visibility
- Large size can accommodate standard and custom messages (two lines, approximately nine characters)
- Assemblies and LED clusters can be removed and replaced with simple hand tools for easy maintenance
- Dual access doors are easy to open and fully seal with the same flange design as standard traffic cabinets
Standard Features
- Available in standard and custom messages
- Gas springs firmly hold door in open position
- Automatic dimming adjusts to ambient light level
- Adjustable flashing option is standard
- Sign can be controlled either by one 120 VAC power/control line or two separate 120 VAC lines, power and control
- Non-glare, high-impact-strength, gray acrylic window
- Message is clearly visible when turned on and concealed when powered off
- Can withstand temperatures ranging from -37° C to 74° C and humidity from 0 to 95% (non-condensing)
- All control circuit board assemblies FR4, conformal coated
Assemblies
- Message panels (2)
- LED driver board (2-4, varies per message)
- LED interface board (dimmer)
- Photocell
- Relays (2, EMS control & dim test)
- Field terminal block
- Solid state power supply
General Specifications
| Housing: | Dimensions: 96” L x 48” H x 7.5” D Material: 5052-H32 aluminum, 0.125” thick Finish: Black powder coat (custom colors available) |
| Access: | Front access, doors (2), upper and lower |
| Latching System: | Positive latching action with T-handle compression latches (3 each door) |
| Display Type: | Discrete, removable clusters (pixels) mounted on aluminum panels |
| Display Technology: | Clusters (Pixels): 1” diameter, 12 LED’s, epoxy sealed LED Type: Amber, T-1 3/4 LED’s, AllnGaP 591 nm λ |
| Character: | Font: 5 x 7 (custom options available) Height: 10” (based on 5 x 7 font) Capacity: 9 per line (varies per message) No. of Lines: 2 Spacing: Nominal 3” (Min 2”, Max 4.5”) |
| Viewing Angle: | 30° horizontal x 30° vertical, tilted 6° |
| Power Supply: | Solid state, 90 VAC-135 VAC input, 12 VDC-15 VDC output |
| Power Consumption: | Maximum: 100 W (varies per message) Typical: 80 W |
| Ventilation: | Thermostatically controlled 100 CFM fan, louvered air intake, washable polyester filter, louvered exhaust |
| Weight | 250 lbs |
Options
- Solar powered
- Wireless control
- Compact housing options (24” x 50”)