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8-weg relais modul mit optokoppler plc relais control board 12v low-level-trigger multi-kanal control

USD 3.20USD 3.30

8-weg relais modul mit optokoppler plc relais control board 12v low-level-trigger multi-kanal control

Description
Specification
GY21-SI7021
USD 3.78USD 4.30
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