12 Channels DC 5V 12V 24V 1NO+1NC Compatible Positive Negative Optocoupler Isolation Relay Module PLC Signal Amplification Board

12 Channels DC 5V 12V 24V 1NO+1NC Compatible Positive Negative Optocoupler Isolation Relay Module PLC Signal Amplification Board
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sku: 1005003580249649
$22.75
Shipping from: China
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