DC 12v 4 channels Optocoupler isolation Relay Interface Module tigger voltage 3.3V 5V 12v 24V PLC Signal Amplification Board

DC 12v 4 channels Optocoupler isolation Relay Interface Module tigger voltage 3.3V 5V 12v 24V PLC Signal Amplification Board
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sku: 4000469190750
$10.80+2%
$11.04
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