Pauluhn DLLA Hazardous Area Linear LED Light Fixtures
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Pauluhn DLLA Hazardous Area Linear LED Light Fixtures

The Crouse-Hinds series Pauluhn DLLA linear LED is specifically designed to replace fluorescent T12, T8 and T5HO lighting on land-based and offshore drilling platforms.  Available in 2 foot and 4 foot versions with 3,700 lumens and 7,900 lumens respectively, the Pauluhn DLLA features a rugged and durable design with the industry’s most versatile and flexible mounting options.  

The Pauluhn DLLA is the ideal lighting solution for high vibration, impact and hose down areas in drilling applications.

The DLLA is also is available with a self-contained battery system for emergency lighting applications.

Stands up to vibration and hose down
60,000 hours at 55°C ambient
Up to 152 lumens per watt

Certifications and compliances


  • Class I, Division 2, Groups A, B, C, D
  • Class I, Zone 2
  • Class II, Division 1, Groups F, G
  • Class III
  • NEMA 4X, IP66
  • Marine and wet locations

UL standards

  • UL844 – Electrical Fixture Hangers for Hazardous Locations
  • UL1598 – Luminaire
  • UL1598A – Luminaire for Installation on Marine Vessels
  • UL8750 – Standard for Light Emitting Diode (LED) Equipment for use in Lighting Products
  • UL50E – Enclosures for Electrical Equipment, Environmental Considerations
  • UL924 – Emergency Lighting

CSA standard

  • C22.2 Nos. 137, 250

Additional certifications

  • ABS design assessed

Design features

  • Single model certified for use in Class I, Division 2 and Class II, Division 1 harsh and hazardous applications
  • High efficacy: up to 152 LPW (DLLA4 with UNV34 driver)
  • 60,000 hour lifetime at 55°C ambient
  • -40°C to +65°C ambient operating temperature (standard model)
  • Low profile (less than 3" height) – perfect for mounting in confined or low height areas
  • Versatile ceiling/swivel, wall, flush, pole and pendant mounting options
  • Easily retrofit to Pauluhn DuraPro and MagnaPro, Rig-A-Lite and Snelson fixtures
  • Wide beam (120°) and narrow beam (80°) optics for uniform illumination
  • Four points of secondary retention
  • 2,000 PSI high pressure hose rated
  • Vibration-, impact- and shock-resistant – passed 5G, 3-axis vibration test  
  • Surge protection: 4kV line to line, 6kV line to earth
  • Emergency battery back-up (90 minutes) and surge protection options (up to 10kV)
  • DesignLights Consortium® Qualified (some models are not DLC qualified or pending)
  • 5 year fixture warranty

Standard materials

  • Housing – copper-free aluminum; Corro-free epoxy powder coat (optional)
  • Lens – glass; polycarbonate, diffused glass, diffused polycarbonate (optional)


    Drawings and design support