Relay Module LED Indicator Relay Interface Board with Optocoupler (16 Channel 5V
13,90 €
It also has fixed screw holes for convenient installation. Clear Indicators: The relay action indicators are clear, with illumination when the relay is energized and no illumination when it is not. Options: 1 x 5V, 1 x 12V, 1 x 24V, 2 x 5V, 2 x 12V, 2 x 24V.
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