Hubbell Lighting’s Columbia Lighting business has launched an LED version of its Zero Plenum Troffer, or LZPT, which is designed for restricted plenum spaces. For installation, the patented telescoping housing requires only 3 inches above the ceiling at one end of the fixture. Once installed, a housing height of 1 1/2 inches keeps the fixture from intruding into the usable plenum. The LZPT features 60,000-hour LEDs at L80 and four LED color choices. Multiple lumen packages range from 1900 to 9100 nominal lumens and color consistency is to a 3-step MacAdam ellipse and 82 CRI. Soft, uniform light distribution provides vertical illumination free from harsh contrast.
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