AC 220V 1/3 Channel Bit Optocoupler Isolation Module Board Adaptive For PLC
ab 1,84 €
3-Channel Optocoupler Isolation Module. Function:test whether AC 220V is existed;when there is 220V,optocoupler can be conductive to ground;otherwise,it is not conductive. 1PC 3-Channel Optocoupler Isolation Module.
Jetzt bei Ebay:
