Description
The 400W SON-T E40 is a powerful high-pressure sodium (HPS) lamp used for industrial, street, and floodlighting applications, known for its high light output and long life.
Key Features & Specifications
- High Efficiency: The lamp delivers a substantial luminous flux, typically around 56,500 lumens with a luminous efficacy of over 140 lm/W for some models, making it very energy efficient for high-intensity lighting.
- Long Lifespan: These bulbs have a long average lifespan, generally rated between 28,000 and 36,000 hours, which significantly minimizes maintenance and replacement costs.
- Warm Light: It produces a warm, golden-white light with a consistent 2000K color temperature, which is characteristic of HPS lighting.
- Requires External Gear: As an HID lamp, it requires a separate 400W ballast and ignitor to operate. It is dimmable with the appropriate control gear.
- Durable Design: The clear tubular outer bulb (T46 shape) is robust and designed for applications that require precise optical control, such as floodlights.
- Universal Burning Position: The lamp can be operated in any burning position, offering flexibility in different fixture designs.
Technical Data
| Attribute | Value |
|---|---|
| Wattage | 400 W |
| Luminous Flux | ~56,500 lm |
| Lamp Base | E40 (Giant Edison Screw) |
| Bulb Shape | Tubular (T46) |
| Color Temperature | 2000K (Extra Warm White) |
| Average Lifespan | Up to 36,000 hours |
| Nominal Lamp Voltage | 100V |
| Dimmable? | Yes, with appropriate gear |
| Requires Ballast? | Yes |
| Overall Length | ~285 mm |
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