Article Number: 08021350
The Wolf HT-400Z0 is a next-generation lighting solution with the highest safety standards, specifically developed for professionals working in hazardous environments. Offered by IST Safety Ltd, the official distributor of Wolf, this model is a technologically optimized and high-efficiency product that replaces older, discontinued versions.
With its Zone 0 compliance, it is safely used in areas where explosive gases and vapors are constantly present. Its compact design and hands-free operation ensure both safety and maximum comfort during industrial operations. The impact-resistant body and waterproof sealing are engineered for seamless performance in the toughest field conditions.
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Product Reference |
ATEX LED Headtorch |
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CODE |
ATEX |
II 1G2D |
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GAS |
Ex ia IIC T4 Ga IP67 |
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DUST |
Ex ib IIIB T125°C Db |
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TYPE OF PROTECTION |
ia/ib Intrinsic Safety |
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AREA OF CLASS (GAS) |
Zones 0, 1 and 2 - Gas groups IIA, IIB, IIC |
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TEMP. CLASSIFICATION (GAS) |
T4 |
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AMBIENT TEMP |
-20°C to +40°C |
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AREA OF CLASSIFICATION (DUST) |
Zones 21 and 22 - Dust Groups IIIA, IIIB |
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MAX SURFACE TEMP. (DUST) |
125°C |
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CERTIFICATE |
Baseefa10ATEX0067 IECEx BAS 10.0023 |
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ENCLOSURE |
High Impact Thermoplastic, Chemical Resistant |
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LENS |
Shatterproof Polycarbonate |
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BEAM TYPE |
Broad Spot with Wide Angle Fringe Light |
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LIGHT SOURCE |
TYPE |
High Power LED |
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OUTPUT |
Up to 120 lm |
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LIFE |
25,000+ hours (fitted for life) |
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POWER SOURCE |
PART NUMBER |
3 x LT-401 (LR03 Cells) |
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TYPE |
LR03 primary cells, to IEC 60086, Alkaline AAA |
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VOLTS |
3 x 1.5v |
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LIGHT DURATION |
Up to 8.5 hours |
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INGRESS PROTECTION |
IP67 |
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WEIGHT (INC. CELLS) |
0.090kg |
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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.
