1/3 Kanal Bit Optokoppler Isolationsmodul Platine adaptiv für SPS AC 220V
ab 2,25 €
Function:test whether AC 220V is existed;when there is 220V,optocoupler can be conductive to ground;otherwise,it is not conductive. 1 x 3-Channel Optocoupler Isolation Module. 1-CH 220V Optocoupler Isolation.
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