HiLetgo 2pcs PC817 2 Channel Optocoupler Isolation Board 817 Voltage Isolation Module Voltage Converter Module 3.6-30V Photoelectric Isolated Module(2/4/8 Channel Optional) workwarehouse If your axle is older industrial_DE_Aug2026
USD101.00
USD144.00
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Ships within 48 hours · Estimated delivery Oct 29 - Nov 3