select 1-CH 220V Optocoupler Isolation
Marke Markenlos

Check the listing for details. 1/3/8 Channel Bit AC 220V Optocoupler Insulation Module Board Adaptive For PLC. Condition: New. Listed at 1.65 USD. 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.

$1.32
$1.65