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Sterling II (ST2N - Standard)

by Chalmit Lighting 

The sterling II is designed as a single product for both Gas & Dust atmospheres and is certified under the ATEX 94-9-EC directive for Categories 3 G and 3 D. The range is also IECEx compliant. The GRP body and polycarbonate diffuser is secured with multiple stainless steel clips to ensure good corrosion resistance and allow rapid access for installation and maintenance. The Sterling is suitable for T8 tubular fluorescent lamps in 18/36/58W sizes.

  • Lightweight and slim line construction.
  • High frequency control gear gives 50/60Hz operation, high power factor correction and regulation of lamp output.
  • Through wiring as standard.
  • Robust polycarbonate diffuser with stainless steel clips as standard.

The sterling II is a quality and cost effective luminaire designed to provide instant glare free white light for Zone 2 hazardous areas. Click the 'Contact Us' link above to get in touch with us and discuss how the sterling II range could work for you.

Product Details


ATEX Classification Group II Category 3 GD
Application Zone 2 and 22
Lamp Type T8 Tubular Fluorescent
Material GRP with polycarbonate diffuser and A4 stainless steel retaining clips.
Operating Temperature Range Celcius -20°C to +45°C
Style Linear
Type Linear

Certifications and Compliance

Certified Listed
  • ATEX
  • IEC
Compliance IP65
Hazardous Rating(s) Zone 2 & 22
Industry Standard(s)
  • EN 60079-10-1
  • EN 60079-10-2
  • EN 60079-14


IES Files Color Temperature CRI Delivered Lumens Lm/W Watts Distribution Type
Photometric File | ST2N/136/BI
IES file
Photometric File | ST2N/158/BI
IES file
Photometric File | ST2N/218/BI
IES file
Photometric File | ST2N/236/BI
IES file
Photometric File | ST2N/258/BI
IES file