R421C32 DC 12V 32 Channels Module RTU RS485 Bus Relay Module UART Serial Port Board for PLC LED Home Automation Door Lock

R421C32 DC 12V 32 Channels Module RTU RS485 Bus Relay Module UART Serial Port Board for PLC LED Home Automation Door Lock
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sku: 1005010266190671
$73.45
Shipping from: China

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