| Subject | English | German |
| comp., MS | AC/Main switch | Hauptschalter (The overall power control for a piece of equipment, such as a device, a computer, or Surface unit) |
| el. | battery main switch | Batterieschalter |
| tech. | battery main switch | Batteriehauptschalter |
| tech. | main switch | Hauptschaltertafel (panel) |
| commun., amer. | main switch | Knotenvermittlungsstelle |
| transp., avia. | main switch | Haupttrennschalter |
| gen. | main switch | Netzanschlussschalter |
| transp., avia. | main switch | Haupttaste |
| tech. | main switch | Hauptkontakt |
| gen. | main switch | Hauptschalter |
| meas.inst. | main switch | Hauptumschalter |
| tech. | main switch | Hauptschalter (panel) |
| tech. | main switch station | Hauptschaltwarte |
| el. | main switching contacts | Schaltkontakte |
| mech.eng. | main switching unit | Hauptschalter |
| tech. | mains switch | Netzschalter |