Es6019D-6Es7131-4Bd01-0Aa0 (Module 4 Di Pnp 3 / 3 / 4Connections 24 V Dc) , Es6019D-6Es7132-4Hb12-0Ab0(Simatic Dp Electron Modules Et200S-2D0 Realydc24V/0, 5A) , Es6019D-6Es7134-4Mb02-0Ab0(Electronic Module Et200S 2Ai High Feature+ /-20Ma,15 Bits+ S) , Es6019D-6Es7151-1Aa05-0Ab0 (Interfacemodule Im151-1, Standard) Quantity: 21