DST-1R4P-P Optocoupler Isolation Board Isolated Module PLC Signal Level Voltage Converter Board 4Bit PNP 1.8-24V 2-4-8Channel

DST-1R4P-P Optocoupler Isolation Board Isolated Module PLC Signal Level Voltage Converter Board 4Bit PNP 1.8-24V 2-4-8Channel

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