1-Kanal High Level Treiber Relais Modul Optokoppler isoliert Antrieb Steuerplatine Zum Selbermachen
ab 1,51 €
NO:Relay normally open interface, before the relay is engaged, empty, after the relay is engaged, shorted to COM. NC: Normally closed relay interface, shorted to COM before the relay is engaged, shorted to COM after the relay is engaged.
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