This Standard gives the specific requirements for the construction, assessment and testing and marking of electrical equipment, parts of electrical equipment and Ex components with the type of protection known as special protection ‘s’.
This Standard only applies for special protection as applied to electrical equipment, parts of electrical equipment and Ex components (hereinafter always referred to as ‘s’ equipment) applicable to Group I, Group II and Group III as defined in AS/NZS 60079.0.
This Standard supplements the general requirements in AS/NZS 60079.0.
It is applicable to equipment intended for equipment protection levels (EPLs) ‘Ma’, ‘Ga’,‘Da’, ‘Mb’, ‘Gb’, ‘Db’, ‘Gc’ and ‘Dc’ as defined in AS/NZS 60079.0. The equipment has to be designed, tested and marked according to the equipment protection level for which it is assigned.
