Siemens sitop psu100d stabilised power supply units siemens 6ep1322 1ld00 a dual output 83a 12v dc enclosed power supply with a wide range voltage input and a controlled isolated dc voltage output the power supply has comprehensive protection and monitoring including output overvoltage protection current limiting short circuit protection with electronic shutdown and auto restart siemens 6ep1322 1ld00 psu100d 996w dual output enclosed power supply 12vdc 83a