4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DCAC Interface Relay Module

2 Channel Relay Module 1 SPDT DIN Rail Mount 24V DCAC Interface Relay Module

Relay Module Interface Boards for Arduino Low Level Trigger 1/2/4/6/8 Channels

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4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DCAC Interface Relay Module

2 Channel Relay Module 1 SPDT DIN Rail Mount 24V DCAC Interface Relay Module

Versatile 4-Channel Relay Interface Board - Control Appliances Safely at 10A