| Subject | English | German |
| IT | automatic protection system | automatisches Sicherungssystem |
| railw., sec.sys. | automatic train protection system | Zugsicherungssystem |
| transp. | cash protection system | Bruchlande-Schutzschaltung |
| transp., avia. | chemical ice protection system | chemische Enteisungsanlage |
| nat.res. | coast protection system | Küstenschutzsystem |
| tech. | core protection system | Kernschutzsystem |
| construct. | corrosion protection system | Korrosionsschutzsystem |
| tech. | corrosion protection system | Korrosionsschutzanlage |
| el. | diversity protection system | Diversityschutzsystem |
| IT | effectiveness of protection system | Effektivität des Sicherheitssystems |
| environ. | environmental protection system | Umweltschutzinstrumentarium |
| tech. | fire protection system | Brandschutzanlage |
| construct. | fire protection system | Feuerloeschsystem |
| gen. | fire protection system | brandschutztechnisches System |
| chem., el. | flame protection system | Flammenschutzsystem |
| electr.eng. | freeze protection system | Frostschutzsystem (makhno) |
| tech. | generator protection system | Generatorschutzanlage |
| construct. | ground conductor for lighthing protection system | Erdung der Blitzschutzanlage |
| construct. | grounding conductor for lighthing protection system | Erdung der Blitzschutzanlage |
| auto. | head protection system | Kopfschutzsystem |
| el.gen. | lightning protection system | Blitzschutzsystem |
| gen. | lightning protection system | Blitzschutzanlage |
| IT | lock-and-key protection system | Schloß-und-Schlüssel-Sicherheitssystem |
| el. | low-pressure carbon dioxide fire protection system | Niederdruck-Kohlendioxid-Feuerlöschsystem |
| el. | low-pressure carbon dioxide fire protection system | Niederdruck-Kohlendioxid-Brandschutzanlage |
| transp., avia. | mechanical ice protection system | mechanisches Enteisungssystem |
| automat. | memory protection system | Speicherschutzvorrichtung |
| auto. | occupant protection system | Insassenschutzsystem |
| auto. | occupant protection system | Insassen-Rückhaltesystem |
| auto. | occupant protection system | Rückhaltesystem |
| IT | overall protection system | umfassender Schutzmechanismus |
| auto. | pedestrian protection system | Fußgängerschutzsystem |
| IT | performance of protection system | Leistungsfähigkeit des Zugriffsschutzsystems |
| construct. | personal fall protection system | Absturzsicherung |
| earth.sc. | personnel protection system | Personenschutzsystem |
| gen. | plant protection system | Kraftwerksschutzsystem |
| gen. | plant protection system | Anlagenschutzsystem |
| telecom. | property-protection system | Objektschutzsystem |
| nucl.phys. | protection system | Reaktorschutzsystem |
| commun., IT | protection system | Sicherheitssystem |
| commun., IT | protection system | Schutzsystem |
| environ. | protection system A series of procedures and devices designed to preserve people, property or the environment from injury or harm | Schutzsystem |
| tech. | protection system cabinet | Schutzschrank |
| patents. | protection system complementary to the patent | System,das den Patentschutz ergänzen soll |
| energ.ind., el. | protection system for an electrical network | Netzschutzsystem |
| law, IT | protection system implementation | Implementierung eines Sicherungssystems |
| law, IT | protection system implementation | Implementierung eines Sicherheit gewährleistenden Systems |
| tech. | protection system subunit | Schutzteilsystem |
| gen. | protection systems | Schutzsysteme |
| tech. | reactor protection system | Reaktorschutzsystem |
| gen. | reactor protection system | Reaktorschutz |
| construct. | river bank protection system | Ufereinfassung |
| social.sc. | social protection system | System des sozialen Schutzes |
| social.sc. | social protection system | Sozialschutzsystem |
| obs., social.sc. | social protection system | System der sozialen Sicherung |
| insur. | social protection systems | Sozialschutzsysteme |
| transp. | stall protection system | Strömungsabrißsicherung |
| environ. | stationary fire protection system | ortsfestes Brandschutzsystem |
| tech. | steam generator overfeed protection system | Dampferzeugerüberspeisungsschutz |
| transp., avia. | thermal ice protection system | thermisches Enteisungssystem |
| transp., avia. | thermal ice protection system | thermischer Vereisungsschutz |
| gen. | thermal protection system TPS | Thermisches Schutzsystem |
| nat.res. | tower lightning protection system | Turmblitzschutzsystem |
| commun., IT | train protection system | Zugsicherungsanlage |