protective relay /ENG-ELECTRICAL/
[DE] Schutzrelais
[EN] protective relay
[FR] relais de protection; relais protecteur
back up protection relay,protection device,protection relay,protective relay /ENG-ELECTRICAL/
[DE] Schutzeinrichtung; Schutzrelais
[EN] back up protection relay; protection device; protection relay; protective relay
[FR] dispositif de protection; relais de protection