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P641 Two 18W Quad Tube LampsP642 Two 26W Quad Tube LampsWide Beam Downlight, 8 3/8" Conoid Apertures |
| Model | Application | Aperture | Length | Width | Depth | Cut Out Dimensions |
Source | Lumens | Wattage | Page |
|---|---|---|---|---|---|---|---|---|---|---|
| P641 | Downlight | 8 3/8" | 19" | 13 1/2" | 7 3/4" | 8 11/16" | Two Quad Tube Lamps | 1250 |
18W |
P5 |
| P642 | Downlight | 8 3/8" | 19" | 13 1/2" | 7 3/4" | 8 23/32" | Two Quad Tube Lamps | 1800 |
26W |
P5 |
| P641EM | Downlight | 8 3/8" | 24" | 13 1/2" | 7 3/4" | 8 11/16" | Two Quad Tube Lamps | 1250 |
18W |
P5 |
| P642EM | Downlight | 8 3/8" | 24" | 13 1/2" | 7 3/4" | 8 23/32" | Two Quad Tube Lamps | 1800 |
26W |
P5 |
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Optics and Applications
Two element optical systems feature elliptical primary reflectors and parabolic low brightness shielding cones. Distribution is broad and uniform. Spacing ratio is 1.4 with a soft pattern edge to blend with adjacent units.
Design Features
Efficient air flow design assures cool fixture temperature for optimal lamp performance. Construction allows easy access to all components. Sturdy steel housings protect the reflectors and permit installation in ceilings up to 2" thick. Ballast and lamp service from below.
Finish
Specular clear Alzak cones are standard. Optional colors and Softglow® finishes are available. Housings and structural parts are painted optical matte black to suppress stray light leaks. Steel parts are phosphate conditioned for corrosion resistance before painting.
Ballasts
Fully electronic, microprocessor controlled with variable starting current for inrush protection to assure rated lamp life. Input voltage range from 120V through 277V. Power factor .98, starting temperature 0°F (-18°C), THD < 10%. Pre-heat start < 1.0 second. End of lamp life protection. Rated for > 50,000 starts.
General
Fixtures are pre-wired, UL and C-UL listed for eight wire 75°C branch circuit wiring. Union made IBEW. Luminaire Efficiency Rating (LER) data is in the photometric directory located in Section Z.
Accessories
Mechanical | |
| R2 | 26" support rails. |
| R5 | 52" support rails. |
Electrical | |
| BD | Ballast disconnect. |
| DCE | Double circuiting. |
| DM | 5% Lutron SE. Specify watts and volts. |
| DM7 | 3% Advance Mark 7. Specify watts and volts. |
| DME | ECO Lutron. Specify watts and volts. |
| DMX | 7% Advance Mark X. Specify watts and volts. |
| EM | Emergency power includes integral charger light and test switch visible through aperture. Battery operation for 90 minutes. |
| F | Ballast fuse. |
| V347 | 347V ballast. |
Lenses & Filters | |
| FLC8 | Full lens cone 8". |
| LP | Prism Lens, acrylic, 26-32W only. |
| LS | Lamp shield, acrylic, 26-32W only. |
Specular Cones & Bright Trims | |
| G | Gold cone. |
| H | Mocha cone. |
| P | Graphite cone. |
| T | Titanium cone. |
| W | Wheat cone. |
| Y | Pewter cone. |
| Z | Bronze cone. |
Softglow® Cones & Trims | |
| S | Softglow® finishes: add S before color letters. e.g. SC for Softglow® clear cone. |
Finishes - Paint | |
| WT | White trim flange. |
| WHT | White, complete trim. |
