fixed trip
| mechanical switching device
| fixed trip | |
| automat. | gesperrte Auslösung |
| mechanical switching device | |
| el. | Schalter |
| |||
| gesperrte Auslösung | |||
| fester Auslöser | |||
|
fixed trip : 2 phrases in 2 subjects |
| Electronics | 1 |
| Power system protection | 1 |