Ascend LHB Series | Linear LED High Bay

Ideal for use in warehouses, factories, workshops and other industrial applications


The Ascend LHB Series is a linear LED high bay fixture that’s ideal for warehouses, factories, workshops and other industrial applications. It is available in three models that are Correlated Color Temperature and Wattage selectable for complete comfort and customization in any application: a 180W version that delivers up to 24,000 lumens (LO), a 290W version that delivers up to 42,000 lumens (HI), and a 450W model that delivers up to 65,000 lumens (MAX). Correlated Color Temperature (CCT) ranges from 4000K, 4500K, or 5000K and is field adjustable.

The fixture’s construction consists of low-copper content aluminum, white thermoset powder coated finish, stainless steel hardware and a polycarbonate lens. The Ascend LHB Series has a 100,000-hour rated life, can operate in a wide temperature range and is backed by a five-year warranty.

An optional Emergency Battery Backup (EMB) keeps the fixture illuminated during power interrupts. An optional occupancy sensor is available for additional energy savings.



80/125/180W – LO

200/240/290W – HI

325/385/450W - MAX

Lumen Output

Up to 24,000 lumens – LO (2ft)

Up to 42,000 lumens – HI (2ft)

Up to 65,000 lumens – MAX (4ft)

Power Source

AC 120-277V, 50-60Hz, 0-10V

AC 277-480V, 50-60Hz, 0-10V

Ambient Operating Temperature

-40°C to +55°C

Color Temperature

4000K, 4500K, and 5000K field selectable


High-quality, durable aluminum housing

White thermoset powder coat finish

316 stainless steel hardware


90 minute emergency battery backup


XF - 120° Extra Wide Flood, standard

AW – Aisleway 50° x 90° Flood, optional


V-hook suspension mount (2) – included

Aircraft cable, surface mount – optional 


  • UL/cUL Listed to:
    • UL 1598 Suitable for Damp Locations
    • FCC Part 15 Class A
  • DLC v5.1 Premium
  • RoHS


Specification Sheet

Specification Sheet

Installation Instructions

Installation Instructions


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