440R Expansion Units, MSR132ED, 4 N.O. Delayed Safety Outputs, 2 N.C. Auxiliary Outputs, 0.5s Delay Time, 24V DC Power Supply, Cat. 4 per EN 954-1 (ISO 13849-1) , 22.5 mm Housing Width, Fixed TerminalsSAFETY RELAY DATASelectionSelect relay by Relay Model...