24 V 4 Kanal Relaismodul mit OPTO-isoliertem Hoch- und Niederpegelauslöser
5,20 €
Using SMD OPTOCOUPLER isolation, driving ability, stable performance ; trigger current 5mA;. The power indicator ( green ), 4 relay status indicator ( red ). Com with low short circuit, triggering the corresponding relay is low, while the high end of the short com high trigger.
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