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RS485/TCP Modbus Slave Relay Control Module DC 12V 8 CH Ethernet Network ET48A08

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DC12V 8/16Channel RS485 Relay Module Modbus RTU PLC Expaning Board DIN Rail Case

RS485 TCP Modbus Slave Relay Control Module 12V 8 CH Ethernet Network ET48A08

8 Channel Modbus Rtu Relay Module RS485 TTL 7-30V Communication Control Switch

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