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ATEX and IECEx Certification

Modern day industrial automation has increased the need for electric equipment in hazardous areas. The use of equipment, especially electrical, in these areas is generally highly regulated and in Europe is covered with Directive 2014/34/EU (ATEX). As a manufacturer, you have to place products on the market that comply with the applicable harmonized standards. CESI can support manufacturers, installers and users in achieving the certification and valorization of your products and units working in potentially explosive atmospheres. CESI has a wealth of knowledge with product certification, and has certified a vast range of equipment, including: Electrical rotating machine; Junction Boxes & Enclosures; Generator and Transformers; Switchgears components (HV, LV); Power supply units; Process control equipment’s; Sensors and transducers; Control stations; Lamps and Luminaries; Heaters; Wireless and ITE equipment; Accessories, adapter, bushings; Batteries and cells; Solenoid Valves and Coils; Spray Guns; Fuel Dispensers; Pumps; Ventilators; etc...

What we do

CESI is the internationally recognised certification body for explosion protected equipment, delivering both ATEX and IECEx certification to customers around the globe. We assess and certify the compliance of your products and equipment, functional units and quality systems according to requirements of European ATEX regulations and international IEC standards (IECEx scheme). ATEX product certification (or EC Type Examination) is the check on the design specification of a product in relation to a series of relevant standards laid out under the directive. The certification process is undertaken by CESI, who issues ATEX certificates and conducts periodic surveillance of quality management systems issuing QAN (Quality Assessment Notification) certificate.

Gaining an IECEx Certificate of Conformity (CoC) for a product provides a manufacturer with an International Statement that:

  • The product shown on the certificate is manufactured to meet the listed International IEC Standard; and
  • The manufacturer is operating a dedicated quality management system, meeting the specific IECEx requirements; and
  •  The manufacturer is under on-going surveillance by an internationally assessed and recognised IECEx Certification Body.
  • Why CESI

    The Testing and the Research works into explosions in hazardous atmospheres have been carried out at CESI since the 1970s. The credibility, assurance and international recognition associated with the services that CESI provides is supported by comprehensive formal third party accreditations and approvals. CESI is Notified through the European Commission (Notified Body identification number 0722) for the application of all modules of the ATEX Directive covered all electrical and mechanical equipment working in a potentially explosive atmosphere.

    In the same time CESI is an Accepted Ex Certification Body (ExCB) and Accepted Ex Test Laboratory (ExTL) and as such can assess your product to the relevant standards. CESI can offer full assessment and testing from large electrical machines to non-electrical equipment approval. We can conduct full testing and assessment (ATEX and/or IECEx) at our in house accredited laboratories.​


    Notified Body for the Directive 2014/34/EU (ATEX) 

    Ministerial Decree

    Certification Body under ISO/IEC 17065-2012 standard:

    Accreditation Certificate

    Certification Body & Testing Lab for the IEC Ex Scheme

    Accreditation Certificate as TL

    Accreditation Certificate as CB


    CESI-ATEx Certification Scheme  

    Regulation (Eng)

    Regulation (Ita)

    Application form

    General sale conditions for certification services

    CESI-IECEX Certification Scheme


    Application form

    General sale conditions for certification services


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