12V DC 2ch RS485 Modbus RTU Relay Module UART Serial Port Power Switch PLC Output Expansion Board Motor FW & BW Controller

12V DC 2ch RS485 Modbus RTU Relay Module UART Serial Port Power Switch PLC Output Expansion Board Motor FW & BW Controller
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sku: 1005004761169740
$2.84+119%
$6.20
Shipping from: China
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