The IP66 luminaire features a low profile with a flow-through heat sink and externally mounted driver to maximize LED thermal protection. It is ideal for high bay or low bay applications.
Low-Profile LED Luminaire
19000 or 31000 Lumens

Theta II High Bay
Features
- IP66 rated with up to 60°C ambient on select units
- Multiple lumen packages with efficacy values exceeding 120 LPW
- Versatility in mounting: hook, wall, and pendant
Benefits
- Allows for use in industrial environments
- 4000K and 5000K are available as well as an integrated 480V driver solution
- Motion sensor and wireless control options available as well as an acrylic refractor accessory to reduced glare
Certifications

Construction
Features a low profile, solid, one piece die-cast aluminum main housing with a flow-through heat sink design and an externally mounted driver.

Mounting
A 3/4-inch hub on top of the housing allows for versatility in mounting. A mounting hook also included.

Optics
Three durable impact-resistant one-piece polycarbonate optics seal the LEDs from water and dust ingress and provide a 100° wide beam.

Electrical
A constant current driver accepts 120 to 277V input at 50/60Hz.The driver operates at greater than 0.9 Power Factor and lower than 20% Total Harmonic Distortion and has 0-10VDC dimming capability
Pick a tab for more information on the Theta II High Bay
Download the full Spec Sheet here.
Wattage |
150W |
Lumens |
19,000 |
CCT |
4000K 5000K |
Efficacy |
126 LPW |
CRI |
80 |
Distribution |
Wide |
Voltage |
120-277V 347/480V |
Mount |
Hook Included |
Finish |
White |
Drive Current |
116 mA |
Lumen Maintenance (L70 at 25°C) |
>139,000 |
Lumen Maintenance (L70 at 60°C) |
>86,000 |
Download the full Spec Sheet here.
Wattage |
195W |
Lumens |
25,000 |
CCT |
4000K 5000K |
Efficacy |
128 LPW |
CRI |
80 |
Distribution |
Wide |
Voltage |
120-277V 347/480V |
Mount |
Hook Included |
Finish |
White |
Drive Current |
116 mA |
Lumen Maintenance (L70 at 25°C) |
>129,000 |
Lumen Maintenance (L70 at 55°C) |
>87,000 |
Download the full Spec Sheet here.
Wattage |
170W |
Lumens |
26,000 |
CCT |
4000K 5000K |
Efficacy |
153 LPW |
CRI |
80 |
Distribution |
Wide |
Voltage |
120-277V 347/480V |
Mount |
Hook Included |
Finish |
White |
Drive Current |
116 mA |
Lumen Maintenance (L70 at 25°C) |
>139,000 |
Lumen Maintenance (L70 at 60°C) |
>87,000 |
L26 model requires extended lead time. Consult factory for details.
Download the full Spec Sheet here.
Wattage |
200W |
Lumens |
31,000 |
CCT |
4000K 5000K |
Efficacy |
155 LPW |
CRI |
80 |
Distribution |
Wide |
Voltage |
120-277V 347/480V |
Mount |
Hook Included |
Finish |
White |
Drive Current |
116 mA |
Lumen Maintenance (L70 at 25°C) |
>126,000 |
Lumen Maintenance (L70 at 55°C) |
>88,000 |
Theta II High Bay 19000 Lumens 4000K 80CRI Wide
Theta II High Bay 25000 Lumens 4000K 80CRI Wide
Theta II High Bay 26000 Lumens 4000K 80CRI Wide
Theta II High Bay 31000 Lumens 4000K 80CRI Wide
Theta II High Bay 19000 Lumens 5000K 80CRI Wide
Theta II High Bay 25000 Lumens 5000K 80CRI Wide
Theta II High Bay 26000 Lumens 5000K 80CRI Wide
Theta II High Bay 31000 Lumens 5000K 80CRI Wide
Theta II High Bay with Refractor
Theta II High Bay 19000 Lumens 4000K 80CRI Wide with Refractor
Theta II High Bay 25000 Lumens 4000K 80CRI Wide with Refractor
Theta II High Bay 26000 Lumens 4000K 80CRI Wide with Refractor
Theta II High Bay 31000 Lumens 4000K 80CRI Wide with Refractor
Theta II High Bay 19000 Lumens 5000K 80CRI Wide with Refractor
Theta II High Bay 25000 Lumens 5000K 80CRI Wide with Refractor
Theta II High Bay 26000 Lumens 5000K 80CRI Wide with Refractor
Theta II High Bay 31000 Lumens 5000K 80CRI Wide with Refractor
Theta II High Bay 19000 Lumens 4000K 80CRI Wide
Theta II High Bay 25000 Lumens 4000K 80CRI Wide
Theta II High Bay 26000 Lumens 4000K 80CRI Wide
Theta II High Bay 31000 Lumens 4000K 80CRI Wide
Theta II High Bay 19000 Lumens 5000K 80CRI Wide
Theta II High Bay 25000 Lumens 5000K 80CRI Wide
Theta II High Bay 26000 Lumens 5000K 80CRI Wide
Theta II High Bay 31000 Lumens 5000K 80CRI Wide
Theta II High Bay with Refractor
Theta II High Bay 19000 Lumens 4000K 80CRI Wide with Refractor
Theta II High Bay 25000 Lumens 4000K 80CRI Wide with Refractor
Theta II High Bay 26000 Lumens 4000K 80CRI Wide with Refractor
Theta II High Bay 31000 Lumens 4000K 80CRI Wide with Refractor
Theta II High Bay 19000 Lumens 5000K 80CRI Wide with Refractor
Theta II High Bay 25000 Lumens 5000K 80CRI Wide with Refractor
Theta II High Bay 26000 Lumens 5000K 80CRI Wide with Refractor
Theta II High Bay 31000 Lumens 5000K 80CRI Wide with Refractor
THETA II w/ MOTION SENSOR
Programmable motion sensor with daylight sensing.
THETA II w/ 7-PIN RECEPTACLE
7-pin receptacle for the addition of a wireless control node (purchased separately). Allows full dimming and on/off switching through wireless controls.
Ordered Separately
STEEL WALL BRACKET
Part Number: THB-Wallbracket
Painted steel bracket for wall mount applications. Pictured on luminaire. Mounting hardware included.
ACRYLIC REFRACTOR
Part Number: THB-Refractor
Acrylic refractor for glare control. Pictured on luminaire. Mounting Hardware included.
COMMISSIONING TOOL
Part Number: CT1000
Handheld remote to easily program motion sensor.
