OSRAM NAV-T Super (Son-T Plus) 400W 4Y
VIALOX® NAV® SUPER 4Y® lamps are the brightest and most economical high pressure sodium lamps:
- Up to 20% higher luminous efficacy (up to 150 lm/W) than standard NAV® 4Y® lamps
- The same colour properties and applications as standard NAV® 4Y® lamps
Practical advantages over NAV® 4Y® lamps:
- Existing installations: Higher lighting level for the same energy costs
- New installations: Smaller number of luminaires and lamps, hence lower investment and operating costs
Electrical data
Nominal wattage |
400 W |
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Rated wattage |
392.00 W |
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Lamp current |
4.6 A |
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Nominal voltage |
100 V |
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Ignition voltage |
3.3 / 5.0 kVp |
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Rated lamp efficacy (standard condition) |
122 lm/W |
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Photometrical data
Rated luminous flux |
48000 lm |
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Color rendering index Ra |
≤25 |
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Color temperature |
2000 K |
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Rated LLMF at 2,000 h |
0.97 |
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Rated LLMF at 4,000 h |
0.96 |
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Rated LLMF at 6,000 h |
0.95 |
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Rated LLMF at 8,000 h |
0.94 |
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Rated LLMF at 12,000 h |
0.92 |
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Rated LLMF at 16,000 h |
0.91 |
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Rated LLMF at 20,000 h |
0.89 |
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Dimensions & weight
Diameter |
47.0 mm |
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Length |
285.0 mm |
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Light center length (LCL) |
175.0 mm |
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Product weight |
191.00 g |
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Temperatures & operating conditions
Maximum permitted outer bulb temperature |
400 °C |
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Maximum permitted base edge temperature |
250 °C |
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Lifespan
Rated lamp survival factor at 2,000 h |
0.99 |
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Rated lamp survival factor at 4,000 h |
0.98 |
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Rated lamp survival factor at 6,000 h |
0.97 |
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Rated lamp survival factor at 8,000 h |
0.96 |
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Rated lamp survival factor at 12,000 h |
0.95 |
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Rated lamp survival factor at 16,000 h |
0.90 |
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Rated lamp survival factor at 20,000 h |
0.85 |
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Lifespan B50 |
24000 h |
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Lifespan B10 |
16000 h |
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Lifespan B5 |
12000 h |
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Operation mode LLMF/LSF |
50 Hz |
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Additional product data
Base (standard designation) |
E40 |
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Product remark |
Phased out in the EU as non ErP compliant according to EU directive 245/2009 |
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Design / version |
Clear |
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Lamp mercury content |
19.9 mg |
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Capabilities
Dimmable |
Yes |
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Burning position |
Any |
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Enclosed luminaire required |
No |
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Certificates & standards
Energy efficiency class |
A+ |
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Energy consumption |
432 kWh/1000h |
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Country specific categorizations
ILCOS |
ST-400-H/E/SL-E40-47/285 |
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