Συσκευές διακοπής και ελέγχου χαμηλής τάσης - Μέρος 4: Επαφείς και κινητήρες εκκίνησης. Τμήμα πρώτο - Ηλεκτρομηχανικοί επαφείς και κινητήρες εκκίνησης (Διορθωτικό Δεκέμβριος 1991)

States the characteristics of contactors and starters and associated equipment, the conditions with which contactors or starters shall comply (operation and behaviour, dielectric properties, the degrees of protection provided by their enclosures, their construction), the tests intended for confirming that these conditions have been met, the information to be given with the equipment or in the manufacturer's literature.