LEDVANCE SYLVANIA 66311 4ft Wide Body LED Vapor Tight Fixture 18,720/21,420/24,000 Lumens 120/140/160W Selectable 3500K/4000K/5000K 120-347V Gray
Available in stock (100)
About this item
About this item
- Output: 18,720 / 21,420 / 24,000 lumens at 120W / 140W / 160W selectable
- Voltage: 120-347V universal driver
- IP66 & NEMA4X Rated: Suitable for wet location environments
- Dimming: 0-10V compatible dimming controls
- Durability: IK08 impact rating with surge and auxiliary output
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Description
Description
LEDVANCE SYLVANIA 66311 4ft Wide Body LED Vapor Tight Fixture — Dual Selectable
The LEDVANCE SYLVANIA 66311 is a 4-foot wide body LED vapor tight fixture delivering 18,720 / 21,420 / 24,000 lumens with field-selectable 120W / 140W / 160W wattage and selectable 3500K / 4000K / 5000K color temperature. It operates on a universal 120-347V driver with 0-10V dimming compatibility. Rated IP66, NEMA4X, and UL Wet Location listed, this fixture is engineered for long-life, high-output performance in commercial and industrial environments.
Key Features
- Selectable Wattage: 120W / 140W / 160W
- Selectable CCT: 3500K / 4000K / 5000K
- Delivered Lumens: 18,720 / 21,420 / 24,000 lm
- Voltage: 120-347V universal input
- 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
- Rated Life: 125,000 hours (L70)
- Operating Temperature: -40°F to +122°F
- Warranty: 5-Year Limited Warranty, NLB Trusted Warranty Program
Typical Applications
- Parking garages
- Manufacturing and warehouses
- Utility corridors
- Industrial facilities
- Loading docks and stairwells
Performance & Light Output
Selectable output delivers 18,720 lumens at 120W, 21,420 lumens at 140W, and 24,000 lumens at 160W, offering contractors flexibility to match illumination levels to application requirements.
Electrical & Controls
Operates on 120-347V, with power factor >90% and THD <20%. Integrated 6kV surge suppression and auxiliary 12V output support advanced control options. Standard 0-10V dimming compatibility is included.
Construction & Durability
Heavy-duty housing and UV-stabilized components protect against moisture and dust intrusion. IP66 and NEMA4X ratings ensure dependable performance in wet and harsh environments. IK08 impact resistance adds mechanical durability.
Installation & Mounting
Designed for surface mounting or suspension. Stainless steel mounting brackets and V-hooks are included for flexible installation.
Included
- Stainless steel mounting brackets
- V-hooks for suspension
Specifications
Specifications
Dimensions
Documents
Style & Materials
Characteristics & Features
Electrical Information
Item Details
Warranty & Certifications
Shipping & Returns
Shipping: Enjoy free standard shipping on most orders over $99. Exclusions apply for oversized & commercial items. We ship to the contiguous 48 United States.
Returns: We offer a 60-day return window for most items. Products must be in their original, unused condition with all packaging. Exclusions: Special orders, clearance, and custom items.
Frequently Asked Questions
How are wattage and color temperature selected on the 66311?
How are wattage and color temperature selected on the 66311?
What lumen outputs does this fixture provide?
What lumen outputs does this fixture provide?
What voltage range is supported?
What voltage range is supported?
Is this fixture suitable for wet locations?
Is this fixture suitable for wet locations?
Does this vapor tight fixture support dimming controls?
Does this vapor tight fixture support dimming controls?

