3/4 Kanal Optokoppler Trennmodul Opto-Isolator H/L Level SPS Platine
ab 1,96 €
3 Channel Optocoupler Isolation Module. 3-Channel Optocoupler Isolation Module AC 220V Testing Module No PCB Holder. Function:test whether AC 220V is existed;when there is 220V,optocoupler can be conductive to ground;otherwise,it is not conductive.
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