MasterColor® Metal Halide
70W ED-17 4K (Coated)
Featuring ALTO® Lamp Technology
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| ◗Ordering Information |
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| Ordering Code | MHC70/C/U/M/4K/ALTO | |
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| ANSI Designation | M143/M98/E | |
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| Product Number | 281337 | |
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| Description | MasterColor Metal Halide | |
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| Package Quantity | 12 | |
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| ◗Physical Characteristics |
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5 7/16 | " |
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| Bulb Size | |||||
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| Base | ||
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| 3 7/16 | " |
| Max. Overall Length (MOL) | 5 7/16'' (138mm) | |||||||
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| Light Center Length (LCL) | 3 7/16'' (87mm) | |||||||||
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| Arc Length | 0.354'' (9mm) | |
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| Arc Tube Material | Poly Crystalline Alumina | |
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| Max. Permissible Bulb Temp. | 400ºC (752ºF) | |
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| Max. Permissible Base Temp. | 190º C (374º F) | |
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| Max. Bulb to Base Eccentricity | 3º | |
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| Max. Arc Tube to Base Eccentricity | 3º | |
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MasterColor® Spectral Power
| 350 | |
ENERGY | 300 | |
200 | ||
RELATIVE | 250 | |
150 | ||
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| 100 | |
| 50 | |
| 0 |
400 | 450 | 500 | 550 | 600 | 650 | 700 |
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| WAVELENGTH (Nanometers) |
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Average Lumen Maintenance Curve, MHC70/U/M/4K
Clear and Coated
| 100 |
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| 90 |
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Maintenance | 80 |
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70 |
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Lumen | 60 |
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Percent | 50 |
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| 40 |
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| 0 | 5000 | 10000 | 15000 | 20000 |
◗Operating Characteristics (Photometric)
Rated Initial Lumens 1 | 5500 |
Mean Lumens,Approx. 2 | 3850 |
Rated Average Life, Hours | 20,000 |
Correlated Color Temp. (CCT)2 | 4000K |
CIE Chromaticity Approx. 2 | |
Color Rendering Index (CRI) | 92 |
Efficacy (lpw) | 79 |
◗Operating Position
Universal—Enclosed Luminaires Only
Note: Electronic ballasts are preferred for optimum performance,
energy efficiency and circuit loading.
Burning Hours
