ELECTROMAGNETIC OPERATION DEVICE AND ELECTROMAGNETIC OPERATION-TYPE SWITCHING APPARATUS

Excitation current of an electromagnet coil is changed in response to a change in ambient temperature and, even if a sensor that measures the ambient temperature fails, turn-on operation can be normally realized (completed). An electromagnetic operation device of the present invention includes an el...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YABU, Masato, TOMIYASU, Kunihiko, TAMURA, Kozo, TAI, Yuuki, SATO, Takashi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES RELAYS SELECTORS
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