A circuit comprises a mechanical relay and a solid-state relay. The mechanical relay is configured to switch a first supply current of the first heating element on a first supply line. The solid-state relay is configured to switch a second supply current of a second heating element on a second supply line.
MECHANICAL RELAY AND SOLID-STATE RELAY FOR CONTROLLING HEATING ELEMENTS
2016-11-10
Patent
Electronic Resource
English
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht |
NTRS | 1977
|NTRS | 1985
|NTRS | 1980
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