Understanding Zone 1 vs Zone 2 Hazardous Area Classification
A practical guide to hazardous-area zone classification for engineers specifying Ex-certified equipment.
Read MoreATEX/IECEx certified Zone 1 & Zone 2 equipment, engineered to your gas group and temperature class. Hover a photo to browse the gallery.
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ATEX/IECEx certified Zone 2 diesel generator for oil, gas and offshore hazardous-area power supply.
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20 kVA ATEX Zone 2 diesel generator featuring a ComAp MRS16 microprocessor controller with PLC logic, automatic protection, event history, fault diagnostics, and remote monitoring and control.
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Ex db IIB+H2 T5 certified control panels for generators, pumps and motor starters in Zone 1/Zone 2 areas.
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ATEX/IECEx certified Zone 2 gas engine generator for hazardous-area power generation.
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Explosion-proof Zone 2 air compressor for instrument air, utility air and process applications.
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ATEX/IECEx certified explosion-proof forklift for Zone 1 /Zone 21 and Zone 2 /Zone 22 material handling.
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Certified explosion-proof components for building or converting Ex engine and generator systems.
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Rent ATEX/IECEx certified Zone 2 diesel generators, gas generators and air compressors for short-term projects.

SunEx Technology Europe S.r.l. was established in 2019 in Varedo (MB), Italy — just 10km from Milan — where our engineering and R&D headquarters designs explosion-proof equipment for hazardous-area applications. Through our agreement with SunEx Tech Asia Pte Ltd (Singapore) for office and production, we serve oil & gas, offshore, petrochemical, material handling, mining and marine operators across Singapore and Southeast Asia.
Access to a broad portfolio of SunEx component and equipment certificates.
Interfaces between equipment, controls, safety systems and documentation managed as one package.
European R&D and certification capability combined with responsive Southeast Asia execution.
Engineering, procurement, integration, FAT, commissioning, training and service.
Solutions considered through manufacture, installation, operation and maintenance.
Regional capability can be demonstrated without publishing protected customer identities.
SunEx Tech Asia and SunEx Technology Europe supply ATEX/IECEx certified Zone 1 & Zone 2 equipment to oil & gas, offshore and petrochemical operators in the following countries.
Regional headquarters serving oil & gas, offshore, marine and petrochemical operators.
Supporting national oil company EPCs, offshore platforms and refinery operators.
Supply of Zone 2 Diesel Engine Generator and Zone 2 GAS Engine generator for Gulf of Thailand offshore project.
Supporting offshore gas developments, LNG terminals and platform operators.
Serving upstream E&P sites, wellhead platforms and EPC contractors.
Supporting offshore oil & gas operators and EPC projects.
Serving petrochemical facility operators and downstream processing sites.
Supporting LNG facilities and offshore gas field developments.
A practical guide to hazardous-area zone classification for engineers specifying Ex-certified equipment.
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New additions to our Zone 1/Zone 2 explosion-proof equipment range for 2026.
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A recent Zone 2 diesel generator deployment supporting an offshore oil & gas platform in Southeast Asia.
Read More“SunEx delivered our Zone 2 generator package on schedule with full ATEX documentation ready for our HSE audit. Their engineers were responsive throughout commissioning.”
“The Ex control panels have been running reliably for two years now. Their technical support team is quick to respond whenever we need spare parts or advice.”
“Clear zone classification guidance and complete certification packages made our procurement approval process straightforward. Highly recommended for hazardous-area equipment.”
Zone 1 areas have explosive atmospheres likely to occur periodically during normal operation, while Zone 2 areas have explosive atmospheres that are not likely to occur in normal operation, and if they do, only briefly. Equipment certification requirements differ accordingly — our team can help you confirm the right classification for your site.
Yes. Every product in our range is designed, tested and certified to ATEX Directive 2014/34/EU and IECEx Certificate of Conformity standards, with full documentation supplied on delivery.
Yes, Our Zone 2 rental fleet includes diesel generators, air compressors and forklifts for hazardous-area projects across Southeast Asia. Zone 1 and Zone 2 forklifts are available for both short- and long-term rental.
Lead times vary by product and configuration and design. Standard Zone 2 package typically ship within 12-16 weeks; custom-engineered packages may take longer. Submit an RFQ for a project-specific delivery estimate.
Yes. SunEx can customize equipment to meet your project specifications, hazardous-area classification, operating conditions and certification requirements. Speak to our engineering team via the RFQ form.
Send us your zone classification and application details — our engineers respond within 1 business day.