Description
The 150W SON-E E40 is a specific type of high-pressure sodium (HPS) lamp featuring a robust, elliptical (ovoid) outer bulb with an internal white diffusing coating, and an E40 Giant Edison Screw (GES) base. This design is suited for applications where broad, general light distribution is needed rather than precise optical control.
Key Details & Applications
- Diffused Light Output: The elliptical shape and internal coating provide a diffused, broad light spread, which is useful in applications like residential street lighting, car parks, and general area illumination.
- High Efficiency & Long Life: These lamps offer high luminous efficacy and a long operational lifespan, reducing maintenance costs and energy consumption.
- Warm Color Temperature: They produce a characteristic golden-white light with a warm 2000K color temperature.
- External Ignitor Required: Most versions of the 150W SON-E E40 require an external ignitor and ballast to operate, as is standard for HID lamps.
Specifications
| Attribute | Value |
|---|---|
| Wattage | 150 W |
| Luminous Flux | ~14,000 – 17,000 lm |
| Lamp Base | E40 (Giant Edison Screw) |
| Bulb Shape | Elliptical (Coated/Ovoid) |
| Color Temperature | 2000K (Extra Warm White/Golden-White) |
| Average Lifespan | Up to 28,000 – 36,000 hours |
| Nominal Lamp Voltage | 90-100 V |
| Dimmable? | Yes, with appropriate control gear |
| Requires Ballast? | Yes, and external ignitor |
| Overall Length | ~226 mm |
| Diameter | ~91 mm |
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