latch checking switch indicating contact
1вспомогательный контакт возможности включения автоматического выключателя — Параллельные тексты EN RU Latch checking switch This switch works in conjunction with the mechanism of the breaker. It checks if the breaker is ready to be closed. When the mechanism is OFF and the closing spring is at charged status the switch… …
2Cab signalling — is a railroad safety system that communicates track status information to the train cab (driving position), where the engineer or driver can see the information. The simplest systems display the trackside signal aspect (typically, green, yellow… …
