LEDVANCE SYLVANIA 66438 OPTI-SELECT Linear LED High Bay — 105/135/165W Selectable, 120–347V

The LEDVANCE SYLVANIA 66438 OPTI-SELECT Linear LED High Bay is a selectable 105W/135W/165W commercial fixture delivering 15,750 to 24,750 lumens. It features selectable 3500K/4000K/5000K color temperature, operates on 120–347V, and includes OPTI-SELECT adjustable distributions of 90×90°, 45×100°, or 65×95°. Rated for damp locations, this fixture is designed for warehouses, gymnasiums, manufacturing facilities, and distribution centers with high mounting heights.

Key Features:

• Selectable Wattage: 105W / 135W / 165W
• Selectable CCT: 3500K / 4000K / 5000K
• Delivered Lumens: 15,750 / 20,250 / 24,750
• Efficacy: Up to 150 lm/W
• Voltage: 120–347V
• Dimming: 0–10V
• OPTI-SELECT Distribution: 90×90° / 45×100° / 65×95°
• CRI: >80
• Sensor-Ready: Pre-wired screw-in sensor base
• Emergency Option: Available in designated configurations
• Operating Temperature: -40°F to +122°F (-40°C to +50°C)
• Certifications: cULus Listed, DLC 5.1 Premium, FCC, RoHS
• Location Rating: Damp Location
• Impact Rating: IK09

Typical Applications:

• Warehouses
• Distribution centers
• Manufacturing facilities
• Gymnasiums
• Industrial workshops
• Retail stockrooms
• Aircraft hangars

Performance & Light Output:
This LEDVANCE linear high bay delivers 15,750 lumens at 105W, 20,250 lumens at 135W, and 24,750 lumens at 165W, achieving efficacy up to 150 lm/W. The fixture maintains a CRI greater than 80 and is rated for 100,000 hours (L70). LM-80 and TM-21 data are referenced by the manufacturer. Based on the manufacturer wattage comparison table, this model can replace up to 400W HID systems depending on selected configuration.

Electrical & Controls:
The fixture operates on 120–347V at 50/60Hz using a constant current driver and supports 0–10V dimming. It maintains a power factor greater than 0.9 with total harmonic distortion below 20%. Each unit ships with a pre-wired screw-in sensor base compatible with field-installable microwave or PIR motion/daylight sensors. The fixture is compatible with LEDVANCE LINK™ Bluetooth® wireless control components when used with the appropriate adapter. Emergency battery configurations are available in designated models.

Construction & Durability:
The housing is constructed of steel with a white finish and incorporates a polycarbonate lens system. The fixture is rated for damp locations and carries an IK09 impact rating. It operates in ambient temperatures from -40°F to +122°F (-40°C to +50°C). The rated life is 100,000 hours (L70). The product is RoHS compliant and mercury-free.

Installation & Mounting:
The fixture is designed for suspended installation using included V-hooks and 3-foot mounting chains. Optional surface mount brackets, pendant mount brackets, aircraft cable kits, and extended chain kits are available separately. A pre-wired screw-in sensor port is integrated into the fixture to support field-installed sensor accessories.

Included:
LEDVANCE SYLVANIA OPTI-SELECT Linear LED High Bay fixture, V-hooks, and 3-foot mounting chains.