DC 12V High & Low Level 1-Way Relay Trigger Optocoupler Isolated Switch Board
2,14 €
2, using patch optocoupler isolation, strong driving ability, stable performance; trigger current 5mA;. High and low trigger selection NO: The relay normally open interface, the relay is suspended before the suction, and the short is connected with COM after the suction.
Jetzt bei Ebay: