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Fluorescent / Linear
Chalmit Sterling II Luminaire
Chalmit Sterling II Luminaire

Chalmit Sterling II Luminaire Chalmit

Availability: In stock

Ex nA Fluorescent Zone 2

from £141.52 excl. VAT

Chalmit Sterling II Luminaire Details

The sterling ii is a quality and cost effective luminaire designed to provide instant glare free white light for Zone 2 hazardous areas.

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 protection is Ex n with IP65 sealing.

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 Sterling is suitable for T8 tubular fluorescent lamps in 18/36/58W sizes. Electronic high frequency control gear is fitted as standard.


  • ATEX Certified
  • IECEx Compliant
Sterling II Flourescent 1x58W
Part Number: ST2N/158/BI

5 in stock

Sterling II Flourescent 2x58W
Part Number: ST2N/258/BI

Low stock

Type of Protection     Ex nA (Non-sparking), Dust protected

T* Tamb= -20ºC to +*ºC 

Ex tD A21 IP6X or Ex tD A22 IP6X

(* see product certificate)

Area Classification     Zone 2 and Zone 22 areas
ATEX Classification     Group II Category 3 GD
IECEx     IECEx SIR.06.0108X
ATEX     Type Examination Certificate Sira 06ATEX4348X
Coding     Ex II 3 GD Ex nA T4 (refer to datasheet for T rating and Ambient)
Enclosure     GRP with polycarbonate diffuser and A4 stainless steel retaining clips
Reflector/Geartray     White polyester painted zinc coated steel
Entry     2 x 20mm diameter holes
Termination     4 core 4mm² max. conductor with through wiring 16A rating
Installation     Two clearance holes for M8 fasteners located on rear of body, sealing washers provided
Lampholder     G13 (Bi-pin)
Lamp Type     T8 tubular fluorescent
Control Gear     High frequency ballast (EOL)
Relamping     Access via diffuser secured by quick release stainless steel clips
Burning Position     Universal
Ingress Protection     IP65 to EN60529
Electrical Supply     220-254V 50/60Hz (AC/DC)

120V Option available

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Fluorescent / Linear
Chalmit Sterling II Luminaire