Al Rouf LED

ILS/JB/350 Explosion Proof Weatherproof Junction Box


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The Industry-Standard Explosion-Proof Junction Box for Hazardous Areas

Manufactured to the highest international standards.

The ILS/JB/350 is engineered specifically for demanding environments where flammable gases, vapors, and dust create constant ignition risk.

Trusted by engineers and procurement teams this junction box is available locally with technical support and rapid delivery across the Gulf region.

Product Overview

The ILS/JB/350 is a heavy-duty explosion proof and weatherproof junction box designed to safely house and protect electrical connections in classified hazardous locations. Its robust enclosure construction ensures that even if an internal fault causes ignition, the explosion remains fully contained, preventing propagation to the surrounding atmosphere.

Key Features

  • Heavy-Duty Construction – Cast aluminium or GRP (Glass Reinforced Polyester)
  • IP66 / IP67 Ingress Protection
  • ATEX & IECEx Certified
  •  Flameproof (Ex d) Protection
  • Multiple Cable Entry Points
  • Stainless Steel Locking Mechanism
  • Internal Terminal Blocks

Technical Specifications

Parameter Specification
Model ILS/JB/350
Protection Type Explosion Proof (Ex d) + Weatherproof
Ingress Protection IP66 / IP67
Certification ATEX / IECEx
Gas Group IIA, IIB, IIC
Temperature Class T1 – T6
Enclosure Material Cast Aluminum / GRP (Glass Reinforced Polyester)
Internal Surface Treatment Epoxy Powder Coated
Ambient Temperature Range -20°C to +60°C
Cable Entry Multiple M20–M50 (Ex d certified glands)
Mounting Surface / Wall Mount
Available Sizes Multiple configurations (contact for sizing)
Applicable Standards IEC 60079-0, IEC 60079-1, EN 60079-0, EN 60079-1
Applicable Hazardous Zones Zone 1, Zone 2 (Gas); Zone 21, Zone 22 (Dust)

Certifications & Compliance

The ILS/JB/350 meets and exceeds the certification requirements demanded by Saudi Aramco, SABIC, and major EPC contractors operating in the Kingdom of Saudi Arabia and across the GCC. The unit is designed and tested in accordance with IEC 60079-0 (General Requirements) and IEC 60079-1 (Flameproof Enclosures), ensuring full compliance with internationally recognized hazardous area electrical standards.
For projects governed by Saudi Standards, Metrology and Quality Organization (SASO) regulations, or Saudi Aramco Engineering Standards (SAES), the ILS/JB/350 provides the documentation, certification packages, and material traceability required for procurement approval and site inspection sign-off.

Applications

Oil & Gas
Petrochemical & Refining
Offshore Platforms
Power Generation & Utilities
Desalination & Water Treatment
Mining & Cement

What is an explosion proof junction box, and when do I need one in Saudi Arabia?

An explosion proof junction box is an enclosure certified to contain any internal ignition event — such as an arc or spark — without allowing it to propagate to a surrounding explosive atmosphere. In Saudi Arabia, they are required wherever the electrical area classification is Zone 1 or Zone 2 (gas/vapor) or Zone 21/22 (dust), which includes most oil & gas, petrochemical, refining, and offshore environments.

What is the difference between ATEX and IECEx certification?
ATEX is the European Union’s directive for explosion proof equipment (required for projects governed by European standards), while IECEx is the international certification system issued by the International Electrotechnical Commission. Many Saudi Aramco and GCC projects accept both. The ILS/JB/350 carries both certifications, ensuring it is accepted across all major project specifications in the Gulf region.

What does IP66/IP67 mean for a weatherproof junction box?
IP66 means the enclosure is fully dust-tight and protected against powerful water jets from any direction. IP67 adds protection against temporary immersion in water up to 1 meter for 30 minutes. For outdoor installations in Saudi Arabia’s harsh desert and coastal environments, an IP66/67 rating ensures long-term protection against sand ingress, heavy rain, and high-pressure wash-downs.

Is the ILS/JB/350 approved for Saudi Aramco and SABIC projects?
The ILS/JB/350 is designed and documented to meet Saudi Aramco Engineering Standards (SAES) and SABIC specification requirements for explosion proof equipment. Contact our technical team for full documentation packages tailored to your specific project requirements.

What cable glands are compatible with the ILS/JB/350?
The ILS/JB/350 is compatible with certified Ex d cable glands in metric thread sizes from M20 to M50, as well as NPT-threaded variants for projects following North American standards. We recommend using only ATEX/IECEx-certified glands to maintain the enclosure’s certified protection integrity.

Request a Quote
Our technical team is available to assist with product selection, compliance documentation, and volume pricing for large-scale projects.

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