OSRAM NAV-T 400W SUPER 4Y E40 VIALOX High-Pressure Sodium Lamp

The OSRAM NAV-T 400W SUPER 4Y E40 VIALOX is a high-pressure sodium lamp designed for professional street, industrial, and horticultural lighting. With a power consumption of 400W and a luminous flux of 56500 lm, it delivers exceptional energy efficiency and long lifespan.

Advantages

High luminous efficacy of 141 lm/W reduces energy costs. Long rated lifespan of 32000 hours minimizes maintenance. Universal operating position allows flexible installation. Dimmable with suitable electronic ballast for additional energy savings.

Suitable for

• Street and roadway lighting
• Industrial halls and warehouses
• Horticultural lighting (greenhouses)
• Floodlighting and area lighting

Key specifications

• Lamp type: High-Pressure Sodium (HPS)
• Power: 400 W
• Base: E40 (Goliath Edison Screw)
• Luminous flux: 56500 lm
• Luminous efficacy: 141 lm/W
• Color temperature: 2000 K (warm white)
• CRI: Ra < 25
• Rated lifespan: 32000 h (L70/B50)
• Operating position: Universal (p45)
• Ignition time: 10 s
• Run-up time: 4 min
• Re-ignition time (hot): 1 min
• Nominal voltage: 100 V
• Nominal current: 4.5 A
• Dimmable: Yes (with suitable electronic ballast)
• Technology: VIALOX
• Bulb shape: Tubular (T)
• Mercury content: 28.5 mg
• Energy efficiency class: A++

Recommendations

For optimal performance, use with a compatible electronic ballast. Ensure proper disposal according to local regulations due to mercury content.