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Brand: Cortem
Cortem XLF Ex d Xenon Strobe Obstruction Light
Description
Ex d xenon strobe obstruction lights for stacks, towers, cranes and jetties
The Cortem XLF series are flameproof xenon obstruction lighting fixtures with a stroboscopic flash of about 30 flashes per minute, available as single or double fixtures. Cortem names chimneys, towers, smokestacks, bell towers, cranes, bridges, radio and television masts, power line pylons, wind turbines and telecommunication antennas, with particular use in the petrochemical and oil industries. The small size and low profile of the body give low wind resistance and limit the deposit of industrial dust.
The body is low-copper aluminium alloy with a borosilicate glass globe that passes a 4 joule shock test; a Fresnel lens is not fitted. Fixtures are available clear or with a polycarbonate red diffuser, and other diffuser colours can be ordered. This series is the xenon strobe option alongside the LED XLFE medium and low intensity obstruction lights already listed on this site.
Technical specifications of the XLF series
| Parameter | Specification |
|---|---|
| Manufacturer | Cortem S.p.A., Italy |
| Classification | Group II, category 2GD; Zones 1, 2, 21, 22 |
| Marking | II 2GD Ex d IIC T5 Gb; Ex tb IIIC Db IP66 |
| Certificates | ATEX CESI 03 ATEX 046; IECEx CES 12.0020 |
| Temperature class | 100 °C (T5) |
| Ambient temperature | -20 to +55 °C; special version -50 to +55 °C |
| Lamp | Stroboscopic xenon, about 30 flashes/min, 6 J or 16 J with electronic module; E27 ceramic holder |
| Rated voltage | 24 Vac/dc, 110 Vac, 230 Vac; 50/60 Hz; power factor 0.96 |
| Connection | Direct to lamp holder L, N, PE up to 4 mm2; double fixtures (XLF-….2) wired and sealed to a junction box |
| Wiring | Silicone rubber cables with glass braid |
| Body and globe | Low-copper aluminium alloy RAL 7035; borosilicate glass with aluminium ring; polycarbonate diffuser |
| Entries | 4 x 3/4 inch NPT |
| Degree of protection | IP66 |
| Standards | EN 60079-0, -1, -7, -31; EN 60598-1 and 60598-2-1; EMC, WEEE and RoHS directives |
Selection chart and ordering code
The code reads XLF-, then the energy (1 for 6 J or 2 for 16 J), the colour (blank for no diffuser, R for red), the voltage (024 for 24 V ac/dc, 110, 230) and the number of heads (1 or 2). Examples are XLF-12301 (6 J clear, 230 Vac, single) and XLF-2R1102 (16 J red, 110 Vac, double).
| Version | Codes (24 V / 110 V / 230 V) | Weight (kg) | Size (mm) |
|---|---|---|---|
| Single, no diffuser | XLF-10241 / 11101 / 12301 (6 J); XLF-20241 / 21101 / 22301 (16 J) | 2.15 | 160x150x330 |
| Single, red | XLF-1R0241 / 1R1101 / 1R2301 (6 J); XLF-2R0241 / 2R1101 / 2R2301 (16 J) | 2.40 | 160x150x330 |
| Double, no diffuser | XLF-10242 / 11102 / 12302 (6 J); XLF-20242 / 21102 / 22302 (16 J) | 5.00 | 440x175x425 |
| Double, red | XLF-1R0242 / 1R1102 / 1R2302 (6 J); XLF-2R0242 / 2R1102 / 2R2302 (16 J) | 5.00 | 440x175x425 |
Accessories and what to confirm before ordering
Options include NEVB2NB (armoured) or NAVB2NB (unarmoured) barrier cable glands, a conduit or pendant mounting model (XLFS-1V1101), a special Ex de marking version (XLFE-1V1101), an Ex or IP66 control panel with electronic modules, ISO 7-1 gas threads, and orange, yellow, green or blue diffusers. Spare parts include the glass globe G50-0389FCM, coloured diffusers (TRASP series) and a silicone O-ring.
Confirm the required flash energy and light colour with the obstruction-lighting rules that apply to the structure, the supply voltage, mounting (structure, conduit or pendant), single or double head, and the cable entry arrangement. Obstruction-lighting regulations differ by country and are not stated in the datasheet.
Documents and quotation
The attached document is the Cortem XLF xenon obstruction lighting fixtures datasheet (catalogue pages B.30-B.37, edition 2025).
For a quotation, send the model code, voltage, zone and gas or dust group, cable entry details and quantity. See Automation Accessories for related hazardous-area equipment. Related hazardous-area equipment: Cortem XLFE-MIA obstruction light.
Datasheets & Documents
- Datasheet Cortem XLF xenon obstruction lighting fixtures datasheet (ED.2025) Download
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About brand
Cortem is an Italian manufacturer of electrical equipment for environments with a risk of explosion and fire. Cortem S.p.A., the main company of Cortem Group, was founded in 1968 in Villesse, Italy, and the group supplies industrial plants, offshore platforms, refineries and shipyards with certified products for hazardous areas.
Seven Star LLC is an independent supplier in Muscat. We list Cortem junction boxes, lighting, plugs and sockets and control stations for oil and gas and process projects in Oman and the GCC.
Cortem product series
Enclosures include the EJBX stainless steel Ex d junction boxes, EJBC aluminium Ex d boxes for gas group IIC, the SA and SAG Ex eb aluminium boxes in 18 sizes and the EJBE and EJBXE Ex de control and distribution boards. Control and power connection products include the CMD Ex e fibreglass control stations and the PYN, SPYN and CMBSP07 Ex plugs and sockets from 16 to 125 A.
Lighting covers the SLED-ME and EVL-40 Ex LED floodlights, the Ex nR SLED-MN and EVNL-40 floodlights for zone 2, the LIFEX-M linear fixture, the FLOWEX high bay, the EVML low bay, STREETEX street lighting and the XLFE-LIB and XLFE-MIA obstruction lights for stacks and towers. The GRDE-4200 is an electronic earthing system for road tanker loading bays.
Where Cortem equipment is used
Refineries, gas plants, tank farms and loading terminals, offshore platforms and ships, chemical and pharmaceutical plants and mining. Products are certified to ATEX and IECEx, with other schemes according to model.
Ordering Cortem products: what we need
Send the model code, the zone and gas or dust group, temperature class, ingress protection, the certification scheme required, and for enclosures the size, entries and internal components. For lighting give the wattage, voltage and mounting; for plugs and sockets the current, poles and voltage.
Browse Cortem products by category: Automation Accessories.
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Frequently Asked Questions
What type of lamp does the XLF use?
A stroboscopic xenon lamp of 6 J or 16 J with an electronic module, flashing about 30 times per minute.
Which zones is it certified for?
Zones 1, 2, 21 and 22 with Ex d IIC T5 Gb and Ex tb IIIC Db marking.
What supply voltages are available?
24 Vac/dc, 110 Vac and 230 Vac at 50/60 Hz.
Is a red diffuser available?
Yes, red, and also orange, yellow, green and blue on request.
What temperature range applies?
-20 to +55 °C, with a special version to -50 °C.
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