Ηλεκτρικές συσκευές για εκρήξιμες ατμόσφαιρες - Συσκευές με ενσωμάτωση "m"

This European Standard contains the specific requirements for construction and testing of electrical apparatus, parts of electrical apparatus and Ex components in the type of protection encapsulation m, intended for use in potentially atmospheres. This European Standard applies to electrical apparatus, parts of electrical apparatus and Ex components which have rated voltages not exceeding 11 kV