PLC Relay Expansion Modules: Type - Digital I/O Expansion Module; Number of I/O - 8; Inputs - (4) 24V AC/DC; Outputs - (4) Relay; Supply Voltage - 24V AC/DC; Current - 40-110mA/20-75mA; Mounting - DIN Rail/Panel; Use With - FL1B Base Module; Manufacturer Series - SmartRelay Series