SIMATIC S7-400H, 412-3H SYSTEM-BUNDLE H-SYSTEM WITH 2 X MC 1MB RAM, 1 X UR2-H, 2 X PS407 UC120/230V, 10A 4 X SYNC-MODULE 10M 2 X SYNC-CABLE 1M 2 X CPU 412-3H 4 X BACK-UP BATTERIES