
LED Lighting / GK Light Bulbs
Dark-Sky-Friendly LED Corn Bulbs
Shielded optics minimize upward light spill so installations meet dark-sky guidelines.
- Wattage
- 19 / 24 / 27 / 36 / 45 / 54 W
- Color temperature
- 1900K – 6500K (Warm / Natural / Daylight)
- Base options
- E26, E27, E39, EX39, E40
- Beam angle
- 360° (shielded for downward distribution)
- Efficacy
- 110 lm/W
- IP rating
- IP64
Specifications
| Wattage | 19 / 24 / 27 / 36 / 45 / 54 W |
| Color temperature | 1900K – 6500K (Warm / Natural / Daylight) |
| Base options | E26, E27, E39, EX39, E40 |
| Beam angle | 360° (shielded for downward distribution) |
| Efficacy | 110 lm/W |
| IP rating | IP64 |
| Operating temp | -40°C to +60°C |
| Lifespan | 50,000 hours |
| Surge protection | 4 kV |
Key features
Dark-sky compliant optics
4 kV surge protection
Suitable for enclosed fixtures
Easy installation
Information
A retrofit corn bulb that helps municipalities, observatories, and rural districts modernize to LED without breaking dark-sky ordinances.
- Optical shielding reduces upward light pollution
- Multiple base options drop into existing post-top, wall-pack, and area fixtures
- Warm-CCT options keep night-sky impact low
- Ballast-bypass wiring — no ballast required
Applications
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Family overview
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