YYC-2S 5V 12V 0-5A LED Display Timer Verzögerung Relais programmierbares Modul Schalter
ab 6,80 €
(5) NO: relay normally open interface, the relay is suspended before the suction, after the suction and short circuit with COM. (7) NC: The relay normally closes the interface, and the relay is shorted to COM before the suction is closed.
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