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20 Channel RS485 Digital Analog Switch IO DIN Rail Relay Module Modbus Rtu Relay RS485 plc uart Expansion board 4-20mA 0-10V

USD 22.99USD 34.84

20 Channel RS485 Digital Analog Switch IO DIN Rail Relay Module Modbus Rtu Relay RS485 plc uart Expansion board 4-20mA 0-10V

Description
Specification
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