Sperrglied /ENG-ELECTRICAL/
[DE] Sperrglied
[EN] filter section
[FR] cellule de filtre; section de filtrage
Sperrelais,Sperrglied /ENG-ELECTRICAL/
[DE] Sperrelais; Sperrglied
[EN] blocking relay; restraining relay
[FR] relais de blocage; relais de verrouillage