32CH NPN/PNP Optically Isolated Input & 300MA NPN Solid State Relay Output RS485 Modbus RTU PLC IO Expansion Board

Price History

This is our record of AliExpress price changes for 32CH NPN/PNP Optically Isolated Input & 300MA NPN Solid State Relay Output RS485 Modbus RTU PLC IO Expansion Board since we began monitoring it on March 8, 2025.

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