Shenzhen Zhongnuo Testing Technology Co., Ltd. offers ATEX and IECEx certification consulting services. We are well-versed in international explosion-proof standards such as IEC 60079, EN 60079, and ISO 80079. We are familiar with the international explosion-proof certification factory audit system and can provide reference materials, preliminary explosion-proof technology, and factory inspections for certification. We offer robust support for enterprises seeking export certification for their explosion-proof products!
IECEx Certification Applicable Standards -- Shenzhen ZN Testing Technology Co., Ltd.
1. IEC 60079-0 Explosive Atmospheres – Part 0: Equipment – General Requirements
2. IEC 60079-1 Explosive Atmospheres – Part 1: Equipment protected by "d" explosion-proof enclosures
3. IEC 60079-2 Explosive Atmospheres, Part 2: Equipment Protected by Positive Pressure Enclosures, Type "p"
4. IEC 60079-5 Explosive Atmospheres, Part 5: Equipment Protected by Filling with Sand Type “q”
5. IEC 60079-6 Explosive Atmospheres, Part 6: Equipment protected by oil immersion “o”
6. IEC 60079-7 Explosive Atmospheres – Part 7: Equipment protected by intrinsic safety “e”
7. IEC 60079-11 Explosive Atmospheres – Part 11: Equipment protected by intrinsic safety “i”
8. IEC 60079-15 Explosive Atmospheres – Part 15: Equipment protected by non-sparking type “n”
9. IEC 60079-18 Explosive Atmospheres - Part 18: Equipment protected by encapsulation "m"

Which certifications are the explosion-proof ATEX and IECEx certifications from?
ATEX certification is a mandatory certification for explosion-proof products in the EU, which is a directive for explosion-proof within the CE certification, applicable to the EU and regions.
IECEx is the International Electrotechnical Commission's certification system for explosion-proof electrical products, it is voluntary and applicable to member countries of the IECEx system.
Most major economic powers globally are members of the IECEx system, including China.
In relation to IECEx and ATEX certifications, ZN Testing summarizes the following distinctions:
(1) Application Scope: ATEX certification applies to the EU region, while IECEx applies to IECEx member countries.
(2) Whether mandatory, ATEX certification is mandatory, while IECEx is voluntary.
(3) Execution Standards, ATEX certification standards are IEC 60079 series, IECEx certification standards are IEC 60079 series
(4) Explosion-proof markings: The ATEX explosion-proof markings are more complex than the IECEx certification markings. You can see this clearly from our examples.
(5) Conversion Issues: Currently, ATEX certification cannot be converted into certificates from outside the EU. IECEx member states recognize IECEx certificates directly or indirectly, such as Australia and New Zealand that directly recognize IECEx certificates. Other IECEx member states (like China) can convert their IECEx certificates into local explosion-proof certificates.
For more information about ATEX certification and IECEx certification, feel free to DM Shenzhen ZhongNuo Testing Technology Co., Ltd. anytime!

Can IECEx certification be converted into a domestic explosion-proof certification? -- Shenzhen ZhongNuo Testing Technology Co., Ltd.
Currently, IECEx certification is driven by standards, which is a voluntary certification.
But the IECEx certification is well-recognized in the international market.
Most IECEx member states directly or indirectly recognize IECEx certifications.
If the product has obtained IECEx certification,
Provide valid Reports (Ex Reports issued by Ex CBs from other member states of the IECEx system and Factory Quality Assurance Reports (QARs)).
Testing is only partially required for manufacturers from other member countries holding an IEC Ex certificate to apply for their regional certification pathways.
For example, China, as an IEC member, still requires applications for a Chinese explosion-proof certificate or coal safety certification for explosion-proof products.
This cannot be substituted with IECEx. In summary, if a country is a member of the IEC but also has its own mandatory explosion-proof certification,
It is typically mandatory to apply for your own explosion-proof certification, rather than simply substitute with an IECEx explosion-proof certification.
Of course, at times, the already obtained IECEx Report (which may require additional testing items) can be utilized.
To convert into a domestic mandatory explosion-proof certification, it is essential to undergo confirmation and review by the application authority.

What are the differences and connections between the ATEX certification system and IECEx for explosion-proof certifications? -- Shenzhen Zhongnuo Inspection Technology Co., Ltd.
Currently, the ATEX and IECEx standards in Europe are almost identical.
A key standard is the EN60079 series, another key standard is IEC60079, with ATEX certification, it can be sold in the EU.
Obtaining IECEx certification allows you to theoretically sell in countries that are members of the International Electrotechnical Commission (IEC) member states.
If a member state is both in the EU and an international电工, it can apply for ATEX only, without needing an IECEx certification.
Because ATEX falls under the CE category and is a mandatory certification, whereas IECEx is not a mandatory certification.
Additionally, a similar situation exists for other IEC member states.
For example: China, also a member of IEC, but explosion-proof products in China require the application of the Chinese Explosion-Proof Certificate or Coal-Mine Safety Certificate.
And cannot be substituted with IECEx.
ATEX Certification and IECEx Certification Consulting Services - Shenzhen ZhongNuo Testing Technology Co., Ltd.