International standardization of protective equipment

Updated: Feb 22


With the development of technologies, the protective systems used in production and other activities where it is necessary to use them are being improved. Since an increasing number of schemes and processes are globalized and unified, therefore, the normative legal acts regulating them are also created at the international level. One of the most important documents of this type is international standards. Since the use of protective equipment is primarily responsible for the safety of employees and the safety of human lives, the number of standards in this area is quite extensive. Today we will introduce you to the main documents in this area.



Hearing protectors — General requirements — Part 1: Earmuffs

EN 352–1:2021


As in any document in international standards, there are generalized requirements and norms that must be adhered to in the area to which the document belongs. One such example for the field of protective equipment is SIST EN 352–1: 2021.


This European Standard specifies requirements on construction, design, performance, marking, and user information for earplugs. In particular, it specifies the sound attenuation of the earplugs, measured in accordance with EN ISO 4869–1.


Since this standard is generic, we recommend that you have it available in case your organization comes into contact with the technologies mentioned in the document.



Hearing protectors — General requirements — Part 2: Earplugs

EN 352–2:2021


Different parts of the same standard may have different standardization vectors. One such example is SIST EN 352–2: 2021.


This European Standard specifies requirements on construction, design, performance, marking, and user information for earplugs. In particular, it specifies the sound attenuation of the earplugs, measured in accordance with EN ISO 4869–1.

Ergonomic aspects are addressed by taking into account, within the requirements, the interaction between the wearer, the device, and where possible the working environment in which the device is likely to be used (see Annex ZA and EN 458).


This standard has a clear structure and a highly specialized focus on the scope of its operation and application. That is why we recommend that you familiarize yourself with its technical characteristics in more detail using the link to our website.



Hearing protectors — Safety requirements — Part 4: Level-dependent earmuffs

EN 352–4:2021


One of the options for using protective equipment is noise reduction devices. Their regulation and standardization is carried out through such documents as SIST EN 352–4: 2021.


This European Standard is applicable to level-dependent earmuffs. It specifies requirements on construction, design, performance, marking, and user information related to the inclusion of the level-dependent functionality.


Since this standard has a certain specificity of the industry of application and the presence of a certain number of technical parameters, we recommend that you clarify all possible questions with our team before purchasing it with full confidence.



Hearing protectors — Safety requirements — Part 5: Active noise reduction earmuffs

EN 352–5:2021


The next important part of the above-mentioned standard that regulates the related industry is SIST EN 352–5: 2021.


This European Standard is applicable to active noise reduction (ANR) earmuffs. It specifies requirements on construction, design, performance, marking, and user information related to the inclusion of the active noise reduction facility.


At first glance, both parts of this standard, regulating noise suppression processes may seem identical, but nevertheless, the presence of certain parameters and characteristics significantly shows their difference and the importance of taking all parameters into account when choosing the right document.



Hearing protectors  — Safety requirements — Part 6: Earmuffs with safety-related audio input

EN 352–6:2021


The issue of safety with the effect of noise on production processes and also on the health of personnel is quite significant, especially in the age of technology use. One of the standards governing this process is SIST EN 352–6: 2021.


This European Standard is applicable to level-dependent earplugs. It specifies requirements on construction, design, performance, marking, and user information related to the inclusion of the level-dependent functionality.


The above document has a large number of technical amendments, characteristics, clarifications with which you can familiarize yourself in detail on the iTech website and ask all your questions to our team.



Hearing protectors — Safety requirements — Part 7: Level-dependent earplugs

EN 352–7:2021


Compliance with the rules of protection has always been and will be the key parameters in building the functioning of the entire system. To regulate the use of hearing protectors, a standard has been created such as SIST EN 352–7: 2021.


This European Standard is applicable to level-dependent earplugs. It specifies requirements on construction, design, performance, marking, and user information related to the inclusion of the level-dependent functionality.


In case you are thinking about purchasing this document, you can find out all the details on our website by clicking on the link attached above.



Detailing the technical parameters is the key to success in selecting the correct document


Since protective equipment is used in completely different areas, therefore, the number of standards used for regulation corresponds to the industry, it should be noted that the use of an incorrect document may entail negative consequences of its use. That is why we strongly recommend contacting a team of professionals in the field of selection of international standards who will not only clearly define the necessary documents for your organization but also advise the vectors of development in the global market by introducing the correct international regulations. If you want to keep abreast of the latest updates in the field of standardization, stay with the iTech team.






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