Page 20 - Mercury Lighting | Fluorescent Catalog
P. 20

SPECIFICATIONS:
• Suspended linear T5 or T8  uorescent luminaire featuring a precision-sculptured perforated steel “basket-shaped” pro le and a computer designed optical system. An integral cross blade baf e runs the length of the perforated bottom to deliver approximately 52% direct down light. Open top allows a powerful punch of 48% indirect up light.
• Optical system: Computer designed optical system deliv- ers a widespread indirect distribution for excellent ceiling uniformity and wide row spacing. Illumination softly re-  ects down  lling the entire volume of space evenly. The workspace is glare-free without shadows or bright spots. Broad angle illumination lights walls and vertical surfaces creating a more open and comfortable space.
• Applications: Classrooms and high tech work areas, of-  ce spaces and computer rooms, and conference suites become a more productive and inviting environment when illuminated with indirect lighting. Individual single lumi- naire mounting only with this series.
• Housing: Heavy gauge cold rolled steel housing and parts are fabricated in a computer-controlled operation for pre- cise  t and a consistent sculptured “extruded-like” contour. Each end cap has a “cast-look” to  nish off the linear lines. Invisible hardware and locking tab construction hold all internal parts together to yield perfect seamless connec- tions.
• Re ector system: Indirect white steel, 90% re ectivity. Direct micro-thin white Mylar lamp barrier.
• T5 Lamping options: One, two, or three 4Ft. T5 linear  uo- rescent lamps; 28W-T5 or 54W-HO-T5.
QBL SERIES
Linear Indirect/Direct Lighting System Perforated Bottom/ Integral Cross Blade Baf e T5 or T8 Lamping
Fixture Type: Job Information:
• T8 Lamping options: One, two, or three 4Ft. T8 linear  uo- rescent lamps; 32W-T8. Optional 28W-T8 lamp system for lower power usage.
• Ballasts T5: Electronic programmed start, normal light output, high power factor, THD less than 10%. Up to 2-lamps per 28W-T5 ballast is standard. Up to 3-lamps per 54W-HO-T5 ballast is standard. Lutron or Advance dimming ballasts as speci ed.
• Ballasts T8: Electronic instant start, high power factor, THD less that 10%. Low ballast factor (.78bf), normal bal- last factor (.88bf), or high ballast factor (1.20bf) as spec- i ed. Up to 3-lamps per ballast is standard. Optional T8 ballasts: programmed rapid start, step dimming. Lutron or Advance dimming ballasts as speci ed.
• Voltage: Multi-volt operates a range from 120V-277V, 50HZ-60HZ. Dedicated voltages on request.
• Pre-wiringoption:Pre-wiredwith18/3whiteSJTpowerfeed out 4ft. An 18/4 white SJT power feed used with emergency battery back up.
• Emergency battery back up: Integrated packs range from 500 up to 1400 lumen output. Varies with lamp type.
• Finish: Custom formulated non-glare white powder coating is applied after fabrication.
• Installations: Cable suspended 24” from ceiling for optimum performance. Longer as speci ed. Choice of canopy kits for J-box mounting or T-bar mounting. Adjustable griplock  tting included. Optional pendant mount with stem set kits.
• UL and CUL listed 1598 and bears their label. Suitable for dry locations or optional damp locations with UL Damp Label. Union made and labeled.
20 MERCURY LIGHTING FLUORESCENT
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