SIMATIC S5, ZENTRALGERAETZG 135U/155U, 21 STECKPLAETZE,M. STROMVERS. AC 120/230;5V;40A(OHNE CPU, BATTERIE, HANDBUCH)SIMATIC S5, ZG135U/155UCENTRAL RACK, 21 SLOTS,WITH PS 120/230V AC; 5V; 40A,W/O CPU, BATTERY AND MANUAL