SIEMENS 6SL3040-0NB00-0AA0 Description Description SIEMENS SINAMICS NUMERIC CONTROL EXTENSION NX15 EXTENSION DRIVE CONTROL FOR SINUMERIK 840 D SL UP TO 6 AXES Related products SIEMENS 1FN3150-4SA00-0AA0 SIEMENS 1FK7060-5AF71-1FH3 SIEMENS 1FK7044-7AF71-1EG0 SIEMENS 1790L811A SIEMENS 1FK7063-5AF71-1FG2 SIEMENS 1FT5072-0AC01-1-Z