This is an Osram Vialox Nav-T E40 250W high-pressure sodium vapor lamp. It is new and has never been used. It comes as pictured and does not include any additional parts or accessories.
Product benefits:
- High luminous efficacy
Areas of application
- Streets
- Outdoor lighting
- Industrial installations
- Suitable for use in open and enclosed luminaires
- Outdoor applications only in suitable luminaires
Specifications:
- Nominal wattage: 250.00 W
- Rated wattage: 250.00 W
- Lamp current: 3 A
- Nominal voltage: 100 V
- Ignition voltage: 3.3 / 5.0 kVp
- Rated lamp efficacy (standard condition): 122 lm/W
- Rated luminous flux: 28000 lm
- Color rendering index Ra: ≤25
- Color temperature: 2000 K
- Rated LLMF at 2,000 h: 0.97
- Rated LLMF at 4,000 h: 0.96
- Rated LLMF at 6,000 h: 0.95
- Rated LLMF at 8,000 h: 0.94
- Rated LLMF at 12,000 h: 0.92
- Rated LLMF at 16,000 h: 0.91
- Rated LLMF at 20,000 h: 0.89
- Diameter: 47.0 mm
- Length: 257.0 mm
- Light center length (LCL): 158.0 mm
- Product weight: 173.00 g
- Maximum permitted outer bulb temperature: 400 °C
- Maximum permitted base edge temperature: 250 °
- Base (standard designation): E40
- Design / version: Clear
- Mercury content: 19.9 mg
- Dimmable: Yes
- Burning position: Any
- Enclosed luminaire required: No
- Energy consumption: 275 kWh/1000h
