RS Components
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Dialight LED High Bay Lighting, 146 W , Dimmable

Discontinued product
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Dialight Durosite® Series LED High Bay Lighting

Dialight’s DuroSite® LED High Bay fixture was designed specifically to replace conventional lighting in a wide variety of industrial applications; both indoor and outdoor. Its low profile lightweight design and versatile mounting options make it ideal for many applications such as warehouse, garage, aisle, cold storage, bridge, tunnel and general area lighting. All of Dialight’s long life LED luminaires are designed to meet the most demanding specification criteria while offering maximum energy savings, reduced maintenance costs, and a superior quality of light.

L70 rated for >100,000 hours @ 25°C ambient
Up to 101 lm/W
Significant energy savings
Instant on/off
Maintenance free
Mercury free
No UV or IR
Produces minimal heat compared to traditional fixtures
Reflector based optics for precise light control
Resistant to shock and vibration
Temperature compensation technology for long life
Copper free aluminum
Typical payback < 2 years

RS 777-7381 = 10000 lumen Circular Optic
RS 777-7384 = 9750 lumen Aisle Optic
RS 777-7388 = 14500 lumen Circular Optic
RS 777-7397 = 17500 lumen Circular Optic
RS 777-7390 = 25000 lumen Circular Optic

Typical Applications:
Food and beverage
Heavy industrial
Pulp and paper
Fuel pump station canopies
Cold storage


5 year full performance warranty standard
10 year full performance warranty available (17,500lm model only - RS 777-7397)


UL-1598 (acrylic lens models)
UL-1598A (polycarbonate lens and tempered glass)
CSA 22 #250
ABS Design Assessed: # 12-HS950618-PDA
FCC Title 47
IP 66
Dark Sky Compliant

TypeHigh Bay Fitting
Lamp TypeLED
Wattage146 W
Voltage Rating100 → 277 V ac
Width406.4 (Dia.) mm
Depth127 mm