LEDVANCE Sylvania 66445 OPTI-SELECT Linear High Bay — 340/370/400W Selectable — 3500K/4000K/5000K — 277–480V
Available in stock (300)
About this item
About this item
- Selectable Output: Field-select 400W, 370W, or 340W at the fixture — delivers up to 60,000 lumens at 150 lm/W. No rewiring required.
- OPTI-SELECT Adjustable Beam Distribution: Field-select 90×90°, 45×100°, or 65×95° distribution at the fixture — one SKU covers symmetric wide, narrow asymmetric, and mid-spread patterns for any aisle width or mounting height.
- Damp Location — IK09 Impact Rated: cULus Damp Location listed for covered outdoor and wet process environments. IK09-rated housing withstands severe mechanical impact.
- DLC 5.1 Premium: Qualifies for the highest tier of utility rebate programs in most U.S. markets.
- LEDVANCE LINK™ Bluetooth® Mesh Ready: Pre-wired sensor base accepts LEDVANCE LINK microwave, PIR, and remote sensors for occupancy-based automation — no internal wiring required. 0–10V dimming standard.
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Description
Description
LEDVANCE Sylvania 66445 OPTI-SELECT Linear High Bay — 340W / 370W / 400W Selectable — 277–480V
The LEDVANCE Sylvania 66445 OPTI-SELECT Linear High Bay delivers three independent field-selectable axes: wattage (340W / 370W / 400W), CCT (3500K / 4000K / 5000K), and beam distribution (90×90° / 45×100° / 65×95°). Up to 60,000 lumens at 150 lm/W peak efficacy. Operates on 277–480V with integrated 0–10V dimming. cULus Damp Location listed, IK09 rated, and DLC 5.1 Premium certified. Includes a pre-wired sensor base for tool-free field installation of motion/daylight sensors or LEDVANCE LINK™ Bluetooth® Mesh wireless controls. White finish. For 120–347V, see the Sylvania 66441. Replaces 1000W MH fixtures with up to 63% energy savings.
Key Features
- Selectable Wattage: 340W / 370W / 400W — field-adjustable via built-in selector
- Selectable CCT: 3500K / 4000K / 5000K — field-adjustable
- Selectable Distribution (OPTI-SELECT): 90×90° / 45×100° / 65×95° — field-adjustable, no tools required
- Lumen Output: 51,000 lm (340W) · 55,500 lm (370W) · 60,000 lm (400W)
- Peak Efficacy: Up to 150 lm/W
- CRI: >80
- Dimming: 0–10V dimming standard
- Voltage: 277–480V, 50/60Hz
- Power Factor: >0.9 · THD: <20%
- Location Rating: cULus Damp Location listed; IK09 impact rated
- Operating Temperature: −40°F to +122°F (−40°C to +50°C); −22°F to +122°F (−30°C to +50°C) with sensor
- Certifications: cULus, DLC 5.1 Premium, FCC, RoHS
- Rated Life: 100,000 hours (L70)
- Warranty: 5 Years (NLB Trusted Warranty Program)
- Wattage Equivalency: Replaces 1000W MH at the 400W setting
Performance & Light Output
| Wattage | Lumens | Efficacy |
|---|---|---|
| 340W | 51,000 lm | 150 lm/W |
| 370W | 55,500 lm | 150 lm/W |
| 400W | 60,000 lm | 150 lm/W |
CRI >80. Rated life 100,000 hours (L70). CCT selection (3500K / 4000K / 5000K) does not affect lumen output at the same wattage.
Optics & Distribution
The OPTI-SELECT system provides three field-selectable beam distributions via a built-in switch on the fixture body — no tools, no accessories, no rewiring required:
- 90×90° — Wide Area: Broad symmetric distribution for large open warehouse floors and industrial facilities at 30–50 ft ceiling heights.
- 45×100° — Aisle: Narrow × wide asymmetric pattern optimized for high-bay rack aisles and long corridor applications at extreme mounting heights.
- 65×95° — Mid-Spread: Balanced intermediate distribution for mixed-use high-bay spaces.
Smart & Control Features
Every OPTI-SELECT Linear fixture ships with a pre-wired sensor base — screw in an optional sensor in seconds, no wiring required. Two control platforms supported:
- Standard sensors (0–10V): Model 65622 microwave motion/daylight sensor (max mounting height 49 ft) · Model 62664 PIR DC motion/daylight sensor (max mounting height 39 ft) · Model 65623 remote control required to change default sensor settings
- LEDVANCE LINK™ Bluetooth® Mesh: Field-installable LINK components available separately for networked lighting control
Electrical
Input: 277–480V, 50/60Hz. Power Factor: >0.9. THD: <20%. Standard 0–10V dimming. Ships with pre-wired sensor base. No step-down transformer required.
Construction
White steel housing with IK09 impact rating. cULus Damp Location listed. Operating range: −40°C to +50°C (−40°F to +122°F); −30°C to +50°C with sensor installed. Dimensions: 46.9″ L × 12.6″ W × 1.9″ H. Weight: TBD.
Installation & Mounting
Comes standard with V-hooks and 3-foot mounting chains. Recommended mounting height: 30–50 feet. Optional accessories sold separately:
- Wire Guard (400W body): Item 63067
- Surface Mount Brackets: Item 63068 (order two per fixture)
- Pendant Mount Bracket: Item 63070 (one per fixture; fits 1/2″ or 3/4″ conduit)
- 5’ Chain and Hook Kit: Item 66877
- 10’ Chain and Hook Kit: Item 66878
- 5’ Cable and Hook Kit: Item 66879
- 10’ Cable and Hook Kit: Item 66880
- Replacement 3’ Chain and Hook Kit: Item 66881
- Motion/Daylight Sensors: Item 65622 (microwave) · Item 62664 (PIR DC)
- Sensor Remote: Item 65623 (required to change default settings)
Certifications & Rebates
cULus Listed for damp locations. DLC 5.1 Premium listed — qualifies for the highest tier of utility rebate programs. RoHS, FCC compliant. To verify rebate eligibility with your utility provider, visit designlights.org and search catalog number LNHIBAV/S400UNHD8SC7/ADJ/WH/480.
Typical Applications
- Very high-ceiling warehouses and distribution centers at 30–50 ft on high-voltage panel systems — replaces 1000W MH with up to 63% energy savings
- Large manufacturing and heavy industrial plants with 277–480V infrastructure
- High-bay rack aisles — 45×100° concentrates output for maximum aisle footcandles
- Large sports arenas and indoor athletic facilities
- Cold storage and covered loading docks — damp location rated, −40°C cold start
What’s Included
- LEDVANCE OPTI-SELECT Linear High Bay — White
- V-Hooks
- 3-Foot Mounting Chains
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
What makes the SYLVANIA 66445 different from standard fixed-output high bays?
What makes the SYLVANIA 66445 different from standard fixed-output high bays?
How does the adjustable distribution work on the 66445?
How does the adjustable distribution work on the 66445?
Does this fixture come with a motion or daylight sensor?
Does this fixture come with a motion or daylight sensor?
What voltage does the SYLVANIA 66444 require?
What voltage does the SYLVANIA 66444 require?
Is this fixture rebate-eligible, and what ceiling height is it designed for?
Is this fixture rebate-eligible, and what ceiling height is it designed for?
Weve made at least 5 orders for these lights in 2017 purchasing close to 20 of them. The product is 65 Watts - LED Shop Light - 8500 Lumens - 175W MH Equal - Linear - 5000K - Diva Light LHB-065W-U-50K-D10. Customers are very happy with them and so are we. Bees Lighting has been a great company to order from. We continue to purchase from them and we recommend them.
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Order came in complete with all accessories needed.
I installed them to light a metal warehouse around 30x70. They are easy to install and work great. The amount of powerful light on each fixture made me install less than what I needed. Well, my high was 14 Feet.
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Order came in complete with all accessories needed.
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I used these to replace the old fluorescent tubes in our warehouse. Significantly more light, very pleased. Will be buying more.
I used these to replace the old fluorescent tubes in our warehouse. Significantly more light, very pleased. Will be buying more.
Weve purchased from Bees Lighting many times this past year for our electrical business. We appreciate the quality products, fast shipping, good communication, and overall excellent customer service. I recommend this company for anyone wanting a quality product for a good price with great service.