3PCS DC 12v 24v 16ch npn optically isolated input & 300ma solid state relay output rs485 plc io expansion board

3PCS DC 12v 24v 16ch npn optically isolated input & 300ma solid state relay output rs485 plc io expansion board
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sku: 1005006243537291
$53.00-2%
$51.73
Shipping from: China
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