The Wolf LMX2S-L and LMX4S-L DLO series are next-generation, high-performance linear LED ATEX luminaires designed to meet linear lighting requirements in hazardous areas. Offered by IST Safety Ltd, the official distributor of Wolf, these linear lighting solutions replace traditional fluorescent lamps, providing a significantly longer lifespan, superior energy efficiency, and enhanced durability.
Certified for Zone 1/21, these luminaires feature a low-profile design optimized specifically for scaffolding, walkways, and confined spaces. Utilizing advanced LED technology, they deliver uniform light distribution while ensuring reliability in the toughest industrial environments through their impact-resistant polycarbonate housing and IP67 ingress protection. Their lightweight structure and versatile mounting options provide significant operational ease for both temporary and permanent installations.
Technical Specifications:
Intelligent Emergency versions with battery backup also available
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PRODUCT REFERENCE |
LMX2S-L-50 |
LMX2S-L-60 |
LMX4S-L-50 |
LMX4S-L-60 |
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CODE |
II 2 G Ex eb mb IIC T4 Gb Ex tb IIIC T T80°C..90°C Db (dependent on model type) |
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CERTIFICATE |
ExVeritas 19 ATEX 0433X IECEx EXV 19.0001X ExVeritas 21 UKEX 0946X |
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INPUT VOLTAGE RANGE |
88 - 140V AC; 180 - 277 V AC |
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INPUT POWER(230V)(W) |
24 |
48 |
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FREQUENCY |
50 - 60 Hz |
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POWER FACTOR |
>0.90 |
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ENCLOSURE SIZE |
2ft |
4ft |
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Lumen Output (Max)* |
1,988 |
3,976 |
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LED Module & Quantity |
1x DLO |
2x DLO |
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Beam Angles |
90° (110° upon request) |
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Ingress Protection |
IP66/IP67** |
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Gas Temp. Class |
T4 |
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Weight |
5kg |
9kg |
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Dust Surface Temp. |
T80 °C |
T90 °C |
T80 °C |
T90 °C |
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Lower Temp. Limit |
-50 °C |
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Upper Temp. Limit |
50 °C |
60 °C |
50 °C |
60 °C |
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Colour Temperature |
5000K |
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What is ATEX and what does exproof mean? The ATEX directive is a set of European Union standards that define the safety requirements for equipment used in hazardous areas with explosive atmospheres. Exproof (Explosion-proof) refers to protection methods designed to prevent explosions by inhibiting the formation of sparks or electrical arcs in environments containing flammable gases, dust, or vapors. To ensure life and property safety in industrial facilities, the use of ATEX-certified exproof devices is a legal requirement.
ATEX Zone coding is a technical classification based on the frequency and duration of the occurrence of an explosive atmosphere in a given area. While the terms Zone 0, 1, and 2 are used for risks originating from gas, vapor, and mist; the codes Zone 20, 21, and 22 are designated for environments containing combustible dust. This classification is a legal standard that determines the required Equipment Protection Level (EPL) for devices. Accurate zone identification both optimizes operational costs and minimizes occupational safety risks.
In addition to ATEX certification, some projects may also require the IECEx Certification System (International Electrotechnical Commission Explosive Atmospheres System) certification. IECEx is an internationally recognized conformity assessment system for equipment intended for use in explosive atmospheres.
While ATEX is a European Union directive and a legal requirement within the European market, IECEx is a globally accepted certification system, widely preferred in regions such as the Middle East, Asia, and Australia.
From a technical perspective, both ATEX and IECEx are based on similar standards (e.g., the EN/IEC 60079 series). However:
Therefore, while ATEX certification may be sufficient for certain projects, international tenders or critical industries such as oil & gas often prefer or require products that are certified to both ATEX and IECEx standards.
The appropriate certification should be determined based on the project location, client requirements, and application area.
