SIEMENS 6ES5581-0HA11 Description Description SIEMENS SIMATIC S5 CP 581 MEMORY EXPANSION F. BASIC MODULE, FROM 4 TO 8 MB Related products SIEMENS 1FN3300-4SA00-0AA0 SIEMENS 1FT5072-0AC01-0-Z SIEMENS 1FK7060-5AF71-1FH3 SIEMENS 1FN3150-4SA00-0AA0 SIEMENS 1FN1910-0AA20-1AA0 SIEMENS 1FT5066-0AC01-2-Z
