1/3 Channel Bit Optocoupler Isolation Module Board Adaptive For PLC AC 220V
ab 1,84 €
1PC 1-Bit AC 220V Optocoupler Isolation Module. 1-CH 220V Optocoupler Isolation. 1PC 3-Channel Optocoupler Isolation Module. 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.
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