| English | Spanish |
| cycle-related mean operating time between failures | MTBFc |
| cycle-related mean operating time between failures | media de tiempos de funcionamiento entre fallos relativa a la maniobra |
| mean operating time between failures | media de tiempos de funcionamiento entre fallos |
| operating current of an over-current release | corriente de funcionamiento de un disparador de sobreintensidad |