Product description
Choose the E40 38W T46 LED filament bulb for high-performance public lighting
The L E40 38W T46 LED filament bulb is designed to provide powerful, long-lasting lighting in outdoor environments. Thanks to its E40 base, it fits perfectly in fixtures intended for public lighting, such as those used on roads, in tunnels, or on cycle paths.
Features
- Power: 38W
- Base: E40
- Brightness: 6500 lm (warm white), 7500 lm (neutral white)
- Dimmable: no
- Frequency: 50-60Hz
- Protection rating: IP20 (indoor use or in a ventilated outdoor fixture)
- Beam angle: 330°
- Color rendering: CRI > 70
- Dimensions: 46 x 207 mm
- Lifespan: ~25,000 hours
Benefits
This industrial LED bulb with a T46 filament delivers an impressive 6500 lm in warm white and up to 7500 lm in neutral white, making it ideal for ensuring excellent visibility in public areas. Thanks to its advanced LED technology, this bulb not only uses little energy but also has an extended lifespan of 25,000 hours, helping reduce maintenance and replacement costs.
How do you install it?
LThe installation of this bulb is simple: screw it into a compatible E40 socket. It must be used in a fixture suitable for outdoor use and well ventilated to prevent overheating. The ambient temperature must not exceed 40°C to ensure the bulb’s longevity and optimal performance.
Where should you install it?
The L E40 38W T46 LED filament bulb is designed for public lighting, particularly in fixtures intended for roads, tunnels, cycle paths, and pedestrian areas. It is ideal for installations requiring high light intensity and wide coverage, thanks to its 330° beam angle. Because it has an IP20 protection rating, it is important to install it in a fixture that is well protected from the elements and sufficiently ventilated.
Technical specifications
Light source
| Power | 38W |
| IRC | > 70 |
| Beam angle | 330° |
| Dimmable | Non |
Electrical
| Voltage | 220 - 240V |
| Current type | AC |
| Frequency | 50-60Hz |
| Base | E40 |
| Energy class | B |
Dimensions
| Dimensions | 4,6 x 20,7 cm |
| Length | 20,7 cm |
| Width | 4,6 cm |
| Diameter | ø 4,6 cm |
Installation
| Ingress protection | IP20 |
Product
| Colour | Transparent |
| Materials | Verre |
| Certifications | CE & RoHs |
| Warranty | 3 ans |
| Lifespan | ~25 000h |
Downloads
Find all the technical documentation and the declaration of conformity for this product.
Technical documentation (2)
Compliance (1)
Energy (1)
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Questions & answers3
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What is the wattage and luminous flux of the 38W E40 LED lamp?
The 38W E40 LED lamp delivers a luminous flux of approximately 6500 lumens. It is a compatible replacement solution in terms of E40 cap fitting and luminous flux for street lighting installations.
Answer from the Silumen technical team · 27/10/2026
Can this lamp be installed directly outdoors without a luminaire?
Due to its IP20 protection rating, this lamp is not designed for direct exposure to the elements. It must be installed in a well-ventilated outdoor luminaire, with an ambient temperature not exceeding 40°C, in order to ensure its durability and performance.
Answer from the Silumen technical team
Is this lamp compatible with a dimmer?
No, this 38W E40 LED lamp is not dimmable and must not be used in conjunction with a dimmer switch.
Answer from the Silumen technical team
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