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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)
Std. Cat No.Delivered OutputPower ConsumptionTclassT °C (Dust)Ambient °CWeight
ST3N/03L/LE3592 lm23WT476-20 to +552.8kg
ST3N/06L/LE6241 lm42WT476-20 to +504.4kg
ST3N/09L/LE8798 lm63WT476-20 to +455.0kg
ST3N/03L/LE/EM3592 lm26WT476-20 to +453.8kg
ST3N/06L/LE/EM6241 lm49WT476-20 to +455.2kg
ST3N/09L/LE/EM8798 lm65WT476-20 to +455.8kg
Options – Suffix to Catalogue No.
/ODInternal Opal diffusers (approx. 20% reduction in output)/NSTNon self test inverter (EM only)
/DMDALI Dimmable driver/5K5000K (Cool White) LED Strips
/5FT5ft body (09L model only)/3K3000K (Warm White) LED Strips
Accessories Accessories should be ordered separatelyOrder Code
Pole mounting bracket assembly (38-42mm diameter poles)SPOL4-100004
Pole mounting bracket assembly (48-52mm diameter poles)SPOL4-100005
Pole mounting bracket assembly (58-62mm diameter poles)SPOL4-100006
Hook type ceiling bracket assemblyS3004-100003
Ceiling bracket assemblyS3004-100001
Flush wall mounting bracket assembly (30° luminaire rotation)S3004-100004
03L wall mounting outreach bracket (use with SPOL4-100004)NPRO4-0008
06L/09L wall mounting outreach bracket (use with SPOL4-100004)NPRO4-0012
Internal Opal Diffuser Strips (03L)S3004-100005
Internal Opal Diffuser Strips (06L & 09L)S3004-100006

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

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