Hazardous Area Products // Lighting // Emergency Lighting // Linear // Chalmit Sterling III Zone 2/22 LED Linear Luminaire

Chalmit Sterling III Zone 2/22 LED Linear Luminaire

ATEX and IECEx certified Ex ec LED Linear.


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The Sterling III Zone 2 LED is a high quality, cost effective linear which realises further improvements over our best-selling Sterling II family. It features a lightweight, single geartray design for ease of installation and maintenance.

The luminaire also features electronic control gear, with optional 3hr battery back up, and is available with or without internal opal diffusers to suit any Industrial application.

  • Highly Energy Efficient
  • Lightweight and slimline construction
  • 155,000 maintenance free hours at 45°C (L70)

ATEX ClassificationGroup II Category 3 GD
  • Distilleries
  • Onshore Oil & Gas
  • Zone 2/22
Battery Type6V Ni-Cad
Color Temperature4000 K
Fixture TypeLinear
Ingress ProtectionIP65 to EN 60529
Lamp TypeLED
Material – BodyGRP with prismatic polycarbonate diffuser and stainless steel retaining clips
Mounting Type
  • Ceiling
  • Pole
  • Suspended
  • Wall

Certifications and Compliance
Certified Listed
  • ATEX
  • IECEx
Hazardous Rating(s)
  • Ex ec IIC T4 Gc
  • Ex tc IIIC T76°C Dc

Chalmit Sterling III Zone 2 Linear (ST3N - Standard & Emergency) Datasheet