Se'lux Discera 4 LED

The Discera 4 LED luminaire maximizes the lumen output of the LEDs with precision lens optics that maintain a sharp cut-off and eliminate the normal “hot spot” directly under the luminaire that HID luminaire's produce. Luminaire/pole spacings are very good, uniformity ratios and the IESNA BUG (B1-U1-G1) ratings are excellent. The Discera LED luminaire is classified as full cutoff, Dark-Sky certified and has very low backlight levels. The Type III distribution is ideal for most street lighting, parking area and walkway applications.

Manufacturer: Se'lux

Applications: Landscape, LED -> Other, Parking Lot -> Fixtures, Site Lighting -> Fixtures, Site Lighting -> Wall mount, Street Lighting

Documents:

Spec Sheet (617 KB pdf file)
Brochure (989 KB pdf file)

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Design Tips

Facade Lighting (Acuity Brands)
When lighting building facades with ground-mounted floodlights, three factors are considered:
Setback

The recommended setback is 3/4 times the building height. If a building is 30 feet tall, the recommended setback is 22.5 feet from the building. Locating the floodlight closer to the building will sacrifice uniformity; setting it farther back will result in loss of efficiency.
Spacing

The rule of thumb for spacing floodlights is not to exceed two times the setback distance. If the setback is 22.5 feet, the floodlights should not be placed more than 45 feet apart.
Aiming

The floodlight should be aimed at least 2/3 the height of the building. For example, if a building is 30 feet high, the recommended aiming point is approximately 20 feet high. After installation is complete, aiming can be adjusted to produce the best appearance. Mounting a full or upper visor to the floodlight can reduce unwanted spill light.

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