DC 5V 8 channels Optocoupler isolation Relay Interface Module tigger voltage 3.3V 5V 12v 24V PLC Signal Amplification Board

DC 5V 8 channels Optocoupler isolation Relay Interface Module tigger voltage 3.3V 5V 12v 24V PLC Signal Amplification Board
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sku: 4001135084235
$19.11
Shipping from: China
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