IECEx, it's in EnglishIEC System for Certification to Standards for Electrical Equipment for Exploring AtmospheresThe abbreviation of the International Electrotechnical Commission isThe organization that conducts standard certification for electrical equipment used in explosive environments, abbreviated asIECExsystem.

IECExThe system isIECSpecialized in explosion-proof electrical products under the International Electrotechnical Commission（for shortExproduct）An international organization for security certification.

Explosion proof productsIECExauthenticationAccording toIEC60079/IEC80079A series of national defense explosion standards provide an explosion-proof qualification assessment for products,IECExExplosion proof certificationStandard:

1IEC 60079-0Explosive environments0Part: General Equipment Requirements

2IEC 60079-1Explosive environments1Part: Composed of explosion-proof shell"D"Protected equipment

3IEC 60079-2Explosive environments2Part: Made of positive pressure shell type"P"Protected equipment

4IEC 60079-5Explosive environments5Part: Made of sand filled molds"Q"Protected equipment

5IEC 60079-6Explosive environments6Part: Oil immersed type"O"Protected equipment

6IEC 60079-7Explosive environment  Section7Part: Enhanced safety type"E"Protected equipment

7IEC 60079-11Explosive environments11Part: Intrinsically Safe"I"Protected equipment

8IEC 60079-15Explosive environments15Part: From non spark type"N"Protected equipment

9IEC 60079-18Explosive environments18Part: By pouring and sealing type"M"Protected equipment

10IEC 61241Electrical Equipment for Combustible Dust Environments in Series Standards

11ISO/IEC 80079-34Explosive environments34Part: Application of Quality Assurance System by Equipment Manufacturers