5671
Explosive atmospheres – Equipment protection by special protection ‘s’
01/30/2018
The purpose of IEC 6 0079-33 special protection “s” for any equipment protection level (EPL) is to allow design, assessment and testing of equipment or parts of equipment that cannot be fully assessed within a recognized type of protection or combination of recognized types of protection because of functional or operational limitations and where the desired equipment protection level can be achieved by the use of this standard.
This standard is intended to provide a framework to demonstrate how essential safety requirements can be met if not covered by established standards, thus allowing for innovation and dealing with unknowns.
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