With optocoupler isolation 4-way relay module MCU Expansion board Control board 5V relay output for PLC control

With optocoupler isolation 4-way relay module MCU Expansion board Control board 5V relay output for PLC control
sku: 4000108638056
ACCORDING TO OUR RECORDS THIS PRODUCT IS NOT AVAILABLE NOW
$2.93
Shipping from: China
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Model Number: relay module
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