LHA high bays are the economical standard for fluorescent high bay lighting with serviceability and performance that is unrivaled in the marketplace.


  • Compact, open body linear high bay offers energy efficient performance
  • Easy center-ballast cover allows tool-less access without lamp or reflector removal
  • Extremely low profile - only 2" overall height allows fixture to be installed without concern about obstructions
  • Reflector options include uplight (recommended) or solid top with either narrow or wide distribution
  • Rotary locking lampholders secure lamp in position and conceal contacts
  • Easy field-installed accessories or factory-installed options for sensors, wire guards, lenses
  • Quick and simple hanging systems including chain, tong, pipe hanger, or aircraft mounting


  • CSA
  • cUL
  • UL 1598 Damp Location


Specification Sheets
Instruction Sheets
Product Selection Guide
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RDC Availability


Cross Sections

  • LHA4-4
  • LHA4-6