DC 5V/12V/24V 30A Relaismodul Optokoppler Isolation High & Low Level Trigger
ab 2,77 €
Using the industry-quality ultra-small optocoupler, strong anti-interference ability. 1 5V/12V/24V 30A Relay Module. NO: The relay is normally open interface, the relay is suspended before closing, and short-circuited with COM after closing.
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