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4 Relay Module Shield 10A with Opto Inputs 3-24V
The 4 Relay Module comes with opto-insulated inputs and can be driven by input voltage of 3-24V DC. The relays are 5V models, needing a 5V DC power supply to work. The maximum switchable load is 10A at 250V AC or 30V DC (max.). The 2 different power supply modes of the 2 Relay Module can be selected