Description
LEDVANCE SYLVANIA 66309 4ft Wide Body LED Vapor Tight Fixture — Dual Selectable
The LEDVANCE SYLVANIA 66309 is a 4-foot wide body LED vapor tight fixture delivering 28,860 / 34,425 / 40,000 lumens with field-selectable 185W / 225W / 265W wattage and selectable 3500K / 4000K / 5000K color temperature. It operates on 120-347V (347V or 480V configurations available) with 0-10V dimming compatibility. Rated IP66, NEMA4X, and UL Wet Location listed, this fixture is engineered for high-output performance in demanding industrial and commercial environments.
Key Features
- Selectable Wattage: 185W / 225W / 265W
- Selectable CCT: 3500K / 4000K / 5000K
- Delivered Lumens: 28,860 / 34,425 / 40,000 lm
- Voltage: 120-347V (347V or 480V models available)
- Dimming: 0-10V dimmable
- Power Factor: >90%
- THD: <20%
- Surge Protection: 6kV
- Auxiliary Output: Internal 12V output for controls
- Environmental Rating: IP66, NEMA4X, UL Wet Rated
- Impact Rating: IK08
- Certifications: UL1598 (cULus), RoHS, FCC, DLC 5.1 Premium, NSF Splash Zone
- Warranty: NLB Trusted 5 Years Warranty
Typical Applications
- Large manufacturing facilities
- Distribution centers
- Cold storage areas
- Parking garages
- Industrial washdown environments
Performance & Light Output
Selectable output delivers 28,860 lumens at 185W, 34,425 lumens at 225W, and 40,000 lumens at 265W. Rated life is 125,000 hours (L70) for long-term performance in high-demand applications.
Electrical & Controls
Operates on 120-347V, with 347V or 480V options available. Power factor exceeds 90% with THD below 20%. Integrated 6kV surge suppression protects against electrical disturbances. Includes internal 12V auxiliary output for sensor or control integration. Standard 0-10V dimming supported.
Construction & Durability
Heavy-duty housing designed for wet and harsh environments. IP66 and NEMA4X ratings protect against water and dust intrusion. IK08 impact rating provides resistance to mechanical impact. Operating temperature range is -40°F to +122°F (-40°C to +50°C). EMBB models operate from -4°F to +122°F.
Installation & Mounting
Fixture can be surface mounted or suspended. Stainless steel mounting brackets and V-hooks are included for installation flexibility.
Included
- Stainless steel mounting brackets
- V-hooks for suspension






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