Product description
Choose the E40 38W T46 Filament LED Bulb for Efficient Public Lighting
The E40 38W T46 Filament LED Bulb is designed to provide powerful and durable lighting in outdoor environments. Thanks to its E40 base, it fits perfectly into fixtures intended for public lighting, such as those used on roads, tunnels, or bike paths.
Features
- Power: 38W
- Base: E40
- Luminosity: 6500lm (warm white), 7500lm (neutral white)
- Dimmable: no
- Frequency: 50-60Hz
- Protection rating: IP20 (indoor use or in ventilated outdoor fixtures)
- Beam angle: 330°
- Color rendering: CRI > 70
- Dimensions: 46 x 207 mm
- Lifespan: ~25,000 hours
Advantages
This industrial LED filament bulb T46 offers an impressive luminous intensity of 6500lm in warm white and up to 7500lm in neutral white, ideal for ensuring excellent visibility in public areas. Thanks to its advanced LED technology, this bulb guarantees not only low energy consumption but also an extended lifespan of 25,000 hours, helping to reduce maintenance and replacement costs.
How to install it?
Installing this bulb is simple: screw it into a compatible E40 socket. It is essential to use it in a fixture suitable for outdoor use, well ventilated to prevent overheating. The ambient temperature should not exceed 40°C to ensure the bulb’s longevity and optimal performance.
Where to install it?
The E40 38W T46 Filament LED Bulb is designed for public lighting, especially in fixtures intended for roads, tunnels, bike paths, and pedestrian areas. It is ideal for installations requiring high luminous intensity and wide diffusion thanks to its 330° beam angle. Due to its IP20 protection rating, it is important to install it in a fixture well protected from weather and sufficiently ventilated.
Technical specifications
Light source
| Power | 38W |
| IRC | > 70 |
| Beam angle | 330° |
| Dimmable | No |
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 | diameter 4.6 cm |
Installation
| Ingress protection | IP20 |
Product
| Colour | Transparent |
| Materials | Glass |
| Certifications | CE & RoHS |
| Warranty | 3 years |
| 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 E40 38W LED lamp?
The E40 base LED lamp at 38W delivers a luminous flux of approximately 6500 lumens. It provides a compatible replacement solution in terms of E40 base 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 inside 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 E40 38W 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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