DC 5V 12V 24V 30A High Power 1 Channel Relay Module With Optocoupler Isolation board High Low Level Trigger Relay for Arduino

1 channel isolation relay module 30a with optocoupler isolation 5v 12v 24v supports high and low triger trigger

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1 channel 5v 12v 24v 30a relay module with optocoupler isolation support high/low level trigger large current with guide rail

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