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Pendant / Wellglass
Chalmit 261 Well-Glass
Chalmit 261 Well-Glass
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Chalmit 261 Well-Glass Chalmit

Availability: Enquire about stock

Ex d e Zone 1 & 2

POA excl. VAT

Chalmit 261 Well-Glass Details

The 261 well-glass is a high light output luminaire ideally suitable for demanding and hazardous environments. It accommodates high pressure discharge lamps up to 400W and also incandescent lamps up to 500W.

External reflectors are available making the 261 suitable for medium and high bay applications. 

The luminaire is made from corrosion resistant aluminium alloy and toughened boro-silicate glass using stainless steel fastenings and has an IP66/67 rating. It features a large side mounted increased safety terminal chamber eliminating the need for flameproof cable glands and allowing for flush mounting.

Versions of the 261 are available for low temperature operation at -40ºC on certain lamp ranges.


  • ATEX Certified
  • GOST R Approved
Type of Protection     Ex d e (Flameproof, Increased Safety)
Area Classification     Zone 1 and Zone 2 areas
ATEX Classification     Group II Category 2 G
ATEX     EC Type Examination Certificate BAS01ATEX2309
Coding     Ex II 2 G EEx d e IIB (refer to datasheet for T rating and Ambient)
Enclosure     Aluminium alloy LM6 (AC44100).

All fastenings A4 stainless steel. Toughened glass dome globe

Reflector/Geartray     High purity anodised aluminium
Entry     2 x M20 cable entries
Termination     3 core 6mm² max. conductor with looping
Installation     Stirrup mounting bracket
Lampholder     E40
Lamp Type     HPS, Metal Halide, Mercury Vapour and GLS
Control Gear     Internal copper/iron with PFC correction capacitor
Relamping     Access via front glass cover assembly
Burning Position     Universal
Ingress Protection     IP66/67
Electrical Supply     220V, 230V, 240V, 254V 50Hz (H.I.D)

110V-240V AC/DC(GLS)

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Pendant / Wellglass
Chalmit 261 Well-Glass