Eight Way Solid State Relay Module For Arduino Description: 5V Omron solid state relays 240V / 2A, output with resistive fuse 240V / 2A. Input Power: 5VDC (160MA). Control signal input voltage: (0-2.5V low state relay OFF ) (3-5V state high relay ON ) . Feature: Voltage:5V . Quiescent current: 0 mA . Operating current: 1 WAY:13.8mA .. 2 WAY: 26.8mA . 3 WAY: 37mA . 4 WAY: 48mA . 5 WAY: 59mA . 6 WAY: 70mA . 7 WAY: 81mA . 8 WAY: 90mA .Trigger Voltage: 3.3-5V . Trigger current: 2mA . DC +: positive power supply (according to the relay voltage supply). DC-: negative power supply.CH1: relay module signal triggering end (High trigger effective) . CH2: relay module signal triggering end (High trigger effective) . CH3: relay module signal triggering end (High trigger effective) . CH4: relay module signal triggering end (High trigger effective) . CH5: relay module signal triggering end (High trigger effective) . CH6: relay module signal triggering end (High trigger effective) . CH7: relay module signal triggering end (High trigger effective) .CH8: relay module signal triggering end (High trigger effective)